PD Dr. Ralf Klamma, AOR

Contact Information

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Job openings

• HiWi Positions - Open Source Peer-to-Peer Community Service Platform

Theses

• A Cognitive Modeling-Based Architecture for Realistic Agents in Mixed Reality (Open)
• A Recommender System for Decentralized Question-Based Dialog (Open)
• Algorithmic Approaches to Overlapping Community Detection (Open)
• An Intelligent Menu Placement System for Mixed Reality Applications (Open)
• Dynamic Visual Analytics Pipeline Processing With WebAssembly (Open)
• Gamification of Serious Games with Recommendation Support (Open)
• Linking DevOps Tools to Social Requirements Engineering (Open)
• Measuring coherence accross media in learning environments (Open)
• Modeling and Analysis Support for Collaborative Industry 4.0 Scenarios (Open)
• Service Provisioning for Mobile Edge Cloud Computing (Open)
• Standard compliant WebXR Rendering of Mixed Reality Learning Experiences (Open)
• The Social Capital of Community Information Systems (Open)
• A Mixed Reality-Based Card Game for Formal and Informal Education (Running)
• A Peer-to-Peer Service Framework With WebAssembly (Running)
• Algorithmic Approaches to Overlapping Community Detection - Ant Colony Algorithms (Running)
• Building an Universal Community Success Awareness Gamifier (Running)
• Chatbot-assisted Community Analysis (Running)
• Collaborative Immersive Learning Analytics (Running)
• Component Crawler for Mixed Reality Projects (Running)
• Computer Supported Peer Review - An analysis (Running)

view all theses

Publications

2021

• Alexander Neumann, Peter de Lange, Ralf Klamma, Norbert Pengel, Tamar Arndt

  Intelligent Mentoring Bots in Learning Management Systems

  Published in Learning Technologies and Systems. SETE 2020, ICWL 2020.

2020

• Ralf Klamma, István Koren, Matthias Jarke

  Mixed reality and wearables in industrial training

  Published in ERCIM News 120 (January 2020), 27-28.

• Mikhail Fominykh, Fridolin Wild, Ralf Klamma, Mark Billinghurst, Lisandra S. Costiner, Eleni Mangina, Judith Molka-Danielsen, Ian Pollock, Marius Preda, Aljosa Smolic

  Developing a Model Augmented Reality Curriculum

  Published in Michail Giannakos, Guttorm Sindre, Andrew Luxton-Reilly und Monica Divitini (Eds.): Proceedings of the 2020 ACM Conference on Innovation and Technology in Computer Science Education. ITiCSE '20: Innovation and Technology in Computer Science Education. Trondheim Norway, 15 06 2020 19 06 2020. [S.l.]: Association for Computing Machinery, S. 508–509.

• István Koren, Ralf Klamma, Matthias Jarke

  Direwolf Model Academy: An Extensible Collaborative Modeling Framework on the Web

• Marius Laska, Jörg Blankenbach, Ralf Klamma

  Adaptive Indoor Area Localization for Perpetual Crowdsourced Data Collection

  Published in Laska, M.; Blankenbach, J.; Klamma, R. Adaptive Indoor Area Localization for Perpetual Crowdsourced Data Collection. Sensors 2020, 20, 1443. https://doi.org/10.3390/s20051443

• Viktoria Pammer-Schindler, Fridolin Wild, Mikhail Fominykh, Tobias Ley, Maria Perifanou, Maria Viktoria Soule, Davina Hernández-Leo, Marco Kalz, Ralf Klamma, Luis Pedro, Carlos Santos, Christian Glahn, Anastasios A. Economides, Antigoni Parmaxi, Ekatarina Prasolova-Førland, Denis Gillet, Katherine Maillet

  Interdisciplinary Doctoral Training in Technology-Enhanced Learning in Europe

  Published in Frontiers of Education https://doi.org/10.3389/feduc.2020.00150

• Peter de Lange, Petru Nicolaescu, Alexander Neumann, Ralf Klamma

  Integrating Web‑Based Collaborative Live Editing and Wireframing into a Model‑Driven Web Engineering Process

  Published in Data Science and Engineering

• Benedikt Hensen, Ralf Klamma

  Comparing Authoring Workflows and Learning Paths in Web & Mixed Reality Environments

  Published in 2020 IEEE 20th International Conference on Advanced Learning Technologies (ICALT)

• Ralf Klamma, Peter de Lange, Alexander Neumann, Benedikt Hensen, Milos Kravcik, Xia Wang, Jakub Kuzilek

  Scaling Mentoring Support with Distributed Artificial Intelligence

  Published in Lecture Notes in Computer Science Volume 12149

• Peter de Lange, Michal Slupczynski, Ralf Klamma

  Incentivizing Contribution in Decentralized Community Information Systems

  Published in WWW '20: Companion Proceedings of the Web Conference 2020

• Ralf Klamma, Daniel Sous, Benedikt Hensen, István Koren

  Educational Escape Games for Mixed Reality

  Published in EC-TEL 2020. Addressing Global Challenges and Quality Education

2019

• Ilona Buchem, Ralf Klamma, Fridolin Wild

  Introduction to Wearable Enhanced Learning (WELL): Trends, Opportunities, and Challenges

  Published in Ilona Buchem, Ralf Klamma und Fridolin Wild (Hg.): Perspectives on Wearable Enhanced Learning (WELL), Bd. 892. Cham: Springer International Publishing, S. 3–32. doi:10.1007/978-3-319-64301-4_1

• Peter de Lange, Tom Janson, Ralf Klamma

  Decentralized Service Registry and Discovery in P2P Networks Using Blockchain Technology

  Published in The 19th International Conference on Web Engineering (ICWE 2019)

• Ilona Buchem, Ralf Klamma, Fridolin Wild

  Perspectives on Wearable Enhanced Learning (WELL)

  Published in Buchem, Ilona; Klamma, Ralf; Wild, Fridolin (Hg.) (2019): Perspectives on Wearable Enhanced Learning (WELL). Cham: Springer International Publishing. doi:10.1007/978-3-319-64301-4

• Mohsen Shahriari, Ralf Klamma, Matthias Jarke

  Ranking and Cooperation in Real-World Complex Networks

  Published in CoRR abs/1901.06611

• Mohsen Shahriari, Ralf Klamma, Matthias Jarke

  Investigating Cooperativity of Overlapping Community Structures in Social Networks

  Published in CoRR abs/1901.06608

• Peter de Lange, Petru Nicolaescu, Jan Benscheid, Ralf Klamma

  Integrating 3D Objects in Collaborative Non-Linear Storytelling on the Web

  Published in J.UCS Journal Of Universal Computer Science

• Alexander Neumann, Peter de Lange, Ralf Klamma

  Collaborative Creation and Training of Social Bots in Learning Communities

  Published in 2019 IEEE 5th International Conference on Collaboration and Internet Computing (CIC)

• Peter de Lange, Petru Nicolaescu, Mario Rosenstengel, Ralf Klamma

  Collaborative Wireframing for Model-Driven Web Engineering

  Published in The 20th International Conference on Web Information Systems Engineering (WISE 2019)

• Benedikt Hensen, István Koren, Ralf Klamma

  Gamification Support for Learning in Spatial Computing Environments

  Published in Journal of Universal Computer Science Volume 25 Issue 12

• Peter de Lange, Bernhard Göschlberger, Tracie Farrell, Alexander Neumann, Ralf Klamma

  Decentralized Learning Infrastructures for Community Knowledge Building

  Published in IEEE Transactions on Learning Technologies

• Ralf Klamma

  Helfende Geisterhände - Augmented Reality und Wearables in lernintensiven Aus- und Weiterbildungen

  Published in weiter bilden 2019(4): KI und Learning Analytics in der Erwachsenenbildung, 26-29, 2019

2018

• Peter de Lange, Petru Nicolaescu, Jan Benscheid, Ralf Klamma

  Collaborative Non-linear Storytelling Around 3D Objects

  Published in The 17th International Conference on Web-based Learning (ICWL 2018)

• Peter de Lange, Bernhard Göschlberger, Tracie Farrell, Ralf Klamma

  A Microservice Infrastructure For Distributed Communities of Practice

  Published in Proceedings of the 13th European Conference on Technology Enhanced Learning (EC-TEL 2018)

• István Koren, Ralf Klamma

  Enabling visual community learning analytics with Internet of Things devices

  Published in Computers in Human Behavior

• Peter de Lange, Petru Nicolaescu, Thomas Winkler, Ralf Klamma

  Enhancing MDWE with Collaborative Live Coding

  Published in Modellierung 2018

• Peter de Lange, Alexander Neumann, Petru Nicolaescu, Ralf Klamma

  An Integrated Learning Analytics Approach for Virtual Vocational Training Centers

  Published in International Journal of Interactive Multimedia and Artificial Intelligence

• Petru Nicolaescu, Mario Rosenstengel, Michael Derntl, Ralf Klamma, Matthias Jarke

  Near real-time collaborative modeling for view-based Web information systems engineering

  Published in Information Systems

• István Koren, Ralf Klamma

  Peer-to-Peer Video Streaming in HTML5 with WebTorrent

  Published in Proceedings of the 18th International Conference on Web Engineering (ICWE 18), LNCS, vol. 10845, Springer, pp. 404-419, June 5-8, 2018, Cáceres, Spain

• István Koren, Ralf Klamma

  Generation of Web Frontends from API Documentation with Direwolf Interaction Flow Designer

  Published in Proceedings of the 18th International Conference on Web Engineering (ICWE 18), LNCS, vol. 10845, Springer, pp. 492-495, June 5-8, 2018, Cáceres, Spain

• István Koren, Benedikt Hensen, Ralf Klamma

  Co-Design of Gamified Mixed Reality Applications

  Published in IEEE ISMAR 2018 Workshop on Creativity in Design with & for Mixed Reality

• Tommi Mikkonen, Ralf Klamma, Juan Hernández

  18th International Conference for Web Engineering (ICWE 2018)

  Published in Tommi Mikkonen, Ralf Klamma, Juan Hernández: Web Engineering - 18th International Conference, ICWE 2018, Cáceres, Spain, June 5-8, 2018, Proceedings. Lecture Notes in Computer Science 10845, Springer 2018, ISBN 978-3-319-91661-3

• István Koren, Ralf Klamma

  The Exploitation of OpenAPI Documentation for the Generation of Web Frontends

  Published in WWW '18 Companion Proceedings of the The Web Conference 2018, pp. 781–787

• Marius Laska, Stefan Herle, Ralf Klamma, Jörg Blankenbach

  A Scalable Architecture for Real-Time Stream Processing of Spatiotemporal IoT Stream Data—Performance Analysis on the Example of Map Matching

  Published in ISPRS Int. J. Geo-Inf. 2018, 7(7), 238; https://doi.org/10.3390/ijgi7070238

• István Koren, Benedikt Hensen, Ralf Klamma

  Augmented Reality Lernkontexte – Eine Europäische Perspektive

  Published in 2. Workshop VR/AR-Learning

• Benedikt Hensen, István Koren, Ralf Klamma

  An Augmented Reality Framework for Gamified Learning

  Published in The 17th International Conference on Web-based Learning (ICWL 2018)

2017

• Dominik Renzel, István Koren, Ralf Klamma, Matthias Jarke

  Preparing Research Projects for Sustainable Software Engineering in Society

  Published in 39th IEEE/ACM International Conference on Software Engineering (ICSE-SEIS 2017)

• Ralf Klamma, Muhammad Abduh Arifin

  Gamification of Web-Based Learning Services

  Published in Ralf Klamma, Muhammad Abduh Arifin: Gamification of Web-Based Learning Services. ICWL 2017: 43-48

• Ralf Klamma, Marc Spaniol

  Community Learning Analytics Support for Audio-Visual Web-Based Learning Contents: The CIDRE Framework

  Published in Ralf Klamma, Marc Spaniol: Community Learning Analytics Support for Audio-Visual Web-Based Learning Contents: The CIDRE Framework. ICWL 2017: 82-87

• Mohsen Shahriari, Martin Barth, Ralf Klamma, Christoph Trattner

  TCNSVD: A Temporal and Community-Aware Recommender Approach

  Published in Mohsen Shahriari, Martin Barth, Ralf Klamma, Christoph Trattner: TCNSVD: A Temporal and Community-Aware Recommender Approach. RecTemp@RecSys 2017: 21-27

• Peter de Lange, Petru Nicolaescu, Ralf Klamma

  VIRTUS Virtual VET Centre (V3C): A Learning Platform for Virtual Vocational Education and Training

  Published in Proceedings of the 12th European Conference on Technology Enhanced Learning (EC-TEL 2017)

• Peter de Lange, Petru Nicolaescu, Ralf Klamma, Matthias Jarke

  Engineering Web Applications Using Real-Time Collaborative Modeling

  Published in In Proceedings of the 23rd International Conference on Collaboration and Technology (CRIWG 2017)

• Peter de Lange, Boris Bähre, Christiane Finetti-Imhof, Ralf Klamma, Andreas Koch, Leif Oppermann

  Socio-technical Challenges in the Digital Gap between Building Information Modeling and Industry 4.0

  Published in 3rd International Workshop on Socio-Technical Perspective in IS development (STPIS 2017)

• István Koren, Ralf Klamma

  Community Learning Analytics with Industry 4.0 and Wearable Sensor Data

  Published in Beck D. et al. (eds) Immersive Learning Research Network. iLRN 2017. Communications in Computer and Information Science, vol 725. Springer, Cham, 10.1007/978-3-319-60633-0_12

• Peter de Lange, Bernhard Göschlberger, Tracie Farrell Frey, Ralf Klamma

  Transferring a Question-Based Dialog Framework to a Distributed Architecture

  Published in Proceedings of the 12th European Conference on Technology Enhanced Learning (EC-TEL 2017)

• Mohsen Shahriari, Ying Li, Ralf Klamma

  The Significant Effect of Overlapping Community structures Book in Signed Social Networks

  Published in Prediction and Inference from Social Networks and Social Media.

• Peter de Lange, Mohsen Shahriari, Ralf Klamma

  Einführung in das wissenschaftliche Arbeiten und Publizieren mittels Blended Learning in der informatischen Fachdidaktik

  Published in 15. e-Learning Fachtagung Informatik der Gesellschaft für Informatik (DeLFI 2017)

• Mohsen Shahriari, Sabrina Haefele, Ralf Klamma

  Using Content to Identify Overlapping Communities in Question Answer Forums

2016

• István Koren, Ralf Klamma

  The DireWolf Inside You: End User Development for Heterogeneous Web of Things Appliances

  Published in Proceedings of the 16th International Conference on Web Engineering (ICWE 16), LNCS, vol. 9671, Springer, pp. 484-491, June 6-9, 2016, Lugano, Switzerland

• Petru Nicolaescu, Kevin Jahns, Michael Derntl, Ralf Klamma

  Near Real-Time Peer-to-Peer Shared Editing on Extensible Data Types

  Published in Proceedings of the 19th International Conference on Supporting Group Work (ACM Group), Sanibel Island, FL, USA, November 13 - 16, 2016, 39-49, 2016, 10.1145/2957276.2957310

• Mohsen Shahriari, Sabrina Haefele, Ralf Klamma

  Contextualized versus Structural Overlapping Communities in Social Media

  Published in Proceedings of the workshop on Recommender Systems and Big Data Analytics (RS-BDA’16); CEUR-i-KNOW2016

• Mohsen Shahriari, Ying Li, Ralf Klamma

  Analysis of Overlapping Communities in Signed Complex Networks

• Peter de Lange, Petru Nicolaescu, Ralf Klamma, István Koren

  DevOpsUse for Rapid Training of Agile Practices Within Undergraduate and Startup Communities

  Published in Proceedings of the 11th European Conference on Technology Enhanced Learning (EC-TEL 2016)

• Peter de Lange, Petru Nicolaescu, Michael Derntl, Matthias Jarke, Ralf Klamma

  Community Application Editor: Collaborative Near Real-Time Modeling and Composition of Microservice-based Web Applications

  Published in Modellierung 2016 Workshopband

• Kateryna Neulinger, Anna Hannemann, Ralf Klamma, Matthias Jarke

  A Longitudinal Study of Community-oriented Open Source Software Development

  Published in Proceedings of the 28th International Conference on Advanced Information Systems Engineering (CAiSE'16), Ljubljana, Slovenia, June 13-17, 2016, Springer, LNCS 9694 (ISBN 978-3-319-39696-5), pp. 509-524

• Andreas Herrler, Simon Grubert, Marko Kajzer, Sadie Behrens, Ralf Klamma

  Development of Mobile Serious Game for Self-assessment as Base for a Game-Editor for Teachers

  Published in Gloria, Alessandro de; Veltkamp, Remco (Eds.) (2015): Games and Learning Alliance. 4th International Conference, Revised Selected Papers. GALA 2015, Rome, Italy, Dec 9-11, Cham: Springer International Publishing (LNCS 9599), pp. 71–79.

• Stefaan Ternier, Maren Scheffel, Ralf Klamma, Katherine Maillet, Wolfgang Nejdl, Martin Wolpers

  In Memoriam: Martin Wolpers, PhD 1969-2016

  Published in IEEE Transactions on Learning Technologies 9 (2), p. 106. DOI:10.1109/TLT.2016.2572918.

• István Koren, Ralf Klamma

  Smart Ambient Learning with Physical Artifacts Using Wearable Technologies

  Published in EAI Endorsed Transactions on Future Intelligent Educational Environments (FIEE) 16(6), 2016 http://dx.doi.org/10.4108/eai.27-6-2016.151526

• Mohsen Shahriari, Stephen Guneshekar, Marven von Domarus, Ralf Klamma

  Predictive Analysis of Temporal and Overlapping Community Structures in Social Media

  Published in Companion Volume, World Wide Web 2016

• Milos Kravcik, Kateryna Neulinger, Ralf Klamma

  Data Analysis of Workplace Learning with BOOST

  Published in Proceedings of the First International Workshop on Learning Analytics Across Physical and Digital Spaces, co-located with 6th International Conference on Learning Analytics & Knowledge (LAK 2016). Edinburgh, Scotland, UK, April 25-29, 2016.

• Petru Nicolaescu, Mario Rosenstengel, Michael Derntl, Ralf Klamma, Matthias Jarke

  View-based Near Real-Time Collaborative Modeling for Information Systems Engineering (best paper award)

  Published in Proceedings of the 28th International Conference on Advanced Information Systems Engineering (CAiSE'16), Ljubljana, Slovenia, June 13-17, 2016, Springer, LNCS 9694 (ISBN 978-3-319-39696-5), pp. 3-17

• Milos Kravcik, Kateryna Neulinger, Ralf Klamma

  Boosting Vocational Education and Training in Small Enterprises

  Published in Adaptive and Adaptable Learning. Volume 9891 of the series Lecture Notes in Computer Science pp 600-604.

• Milos Kravcik, Kateryna Neulinger, Ralf Klamma

  Using Personal Learning Environments to Support Workplace Learning in Small Companies

  Published in Advances in Web-Based Learning – ICWL 2016. Volume 10013 of the series Lecture Notes in Computer Science.

• Milos Kravcik, Petru Nicolaescu, Aarij Siddiqui, Ralf Klamma

  Adaptive Video Techniques for Informal Learning Support in Workplace Environments

  Published in 9th International Workshop on Social and Personal Computing for Web-Supported Learning Communities (SPeL 2016). In conjunction with the 15th International Conference on Web-based Learning (ICWL 2016).

2015

• Ralf Klamma

  Near-Real-Time Social Computing

  Published in Computer 48(9): 90–92. doi: 10.1109/MC.2015.266

• István Koren, Petru Nicolaescu, Ralf Klamma

  Collaborative Drawing Annotations on Web Videos

  Published in Proceedings of the 15th International Conference on Web Engineering (ICWE 2015), Rotterdam, The Netherlands, June 23-26, 2015

• Petru Nicolaescu, Ralf Klamma

  A Methodology and Tool Support for Widget-Based Web Application Development

  Published in Proceedings of the 15th International Conference on Web Engineering (ICWE 2015), Rotterdam, The Netherlands, June 23-26, 2015

• István Koren, Ralf Klamma

  Smart Ambient Learning with Physical Artifacts Using Wearable Technologies

  Published in Workshop Proceedings of the 11th International Conference on Intelligent Environments D. Preuveneers (Ed.)

• Mohsen Shahriari, Ralf Klamma

  Signed Social Networks: Link Prediction and Overlapping Community Detection

  Published in the proceedings of the 2015 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2015)

• Zinayida Petrushyna (Kensche), Ralf Klamma, Alexandra Chueva, Joachim Lanfermann

  A Near-Real Time Application for Twitter Data Analysis

  Published in General Online Research, Proceedings, Cologne, March 18-20, 2015, 44 ff.

• Dominik Renzel, Ralf Klamma, Matthias Jarke

  IS Success Awareness in Community-Oriented Design Science Research

  Published in New Horizons in Design Science: Broadening the Research Agenda, 10th International Conference, DESRIST 2015, Dublin, Ireland, May 20-22, 2015, LNCS 9073, Springer, Heidelberg, pp. 413-420

• Michael Derntl, Petru Nicolaescu, Stephan Erdtmann, Ralf Klamma, Matthias Jarke

  Near Real-Time Collaborative Conceptual Modeling on the Web

  Published in Proceedings of the 34th International Conference on Conceptual Modeling (ER 2015)

• Petru Nicolaescu, Georgios Toubekis, Ralf Klamma

  A Micro Approach for Learning via Collaborative 3D Objects Annotation on the Web

  Published in Proceedings of the 14th International Conference on Web-based Learning, Guangzhou, China, November 5-8, 2015

• Zinayida Petrushyna (Kensche), Ralf Klamma, Milos Kravcik

  On Modeling Learning Communities

  Published in Design for Teaching and Learning in a Networked World. Proceedings 10th European Conference on Technology Enhanced Learning, EC-TEL 2015, Toledo, Spain, September 15–18, 2015. Lecture Notes in Computer Science, vol. 9307, pp. 254-267.

• Petru Nicolaescu, Kevin Jahns, Michael Derntl, Ralf Klamma

  Yjs: A Framework for Near Real-Time P2P Shared Editing on Arbitrary Data Types

  Published in Proceedings of the 15th International Conference on Web Engineering (ICWE 2015), Rotterdam, The Netherlands, June 23-26, 2015 (Best Demo & Best Poster Award)

• Frederick W. B. Li, Ralf Klamma, Mart Laanpere, Jun Zhang, Baltasar Fernández-Manjón, Rynson W. H. Lau

  Advances in Web-Based Learning -- ICWL 2015

  Published in 14th International Conference on Web-Based Learning (ICWL 2015), Guangzhou, China, November 5-8, 2015, Springer, LNCS 9412, 10.1007/978-3-319-25515-6

• Mohsen Shahriari, Sebastian Krott, Ralf Klamma

  Disassortative Degree Mixing and Information Diffusion for Overlapping Community Detection in Social Networks (DMID)

  Published in 5th Temporal Web Analytics Workshop (TempWeb), in conjunction with WWW 2015 Florence, Italy

• Nicolae Nistor, Michael Derntl, Ralf Klamma

  Learning Analytics: Trends and Issues of the Empirical Research of the Years 2011-2014

  Published in Design for Teaching and Learning in a Networked World. EC-TEL 2015. Lecture Notes in Computer Science, vol 9307, pp. 453-459, 2015

• Dominik Renzel, Ralf Klamma, Matthias Jarke

  Requirements Bazaar: Experiences, Added-Value and Acceptance of Requirements Negotiation between End-Users and Open Source Software Developers

  Published in Software Engineering & Management 2015, Dresden, March 17-20, 2015, Lecture Notes in Informatics (LNI) 239, 122-123

• Michael Derntl, Dominik Renzel, Petru Nicolaescu, István Koren, Ralf Klamma

  Distributed Software Engineering in Collaborative Research Projects

  Published in Proceedings of 10th International Conference on Global Software Engineering, ICGSE 2015.

• Zinayida Petrushyna (Kensche), Mohsen Shahriari, Ralf Klamma

  Asking an Expert or a Friend? Simulating Forum Communities of Learners Using Reciprocity and Preferential Attachment

  Published in accepted as a poster at 2nd GESIS Computational Social Science Winter Symposium 2015

• Yiwei Cao, Dejan Kovachev, Ralf Klamma, Matthias Jarke, R. W. H. Lau

  Tagging diversity in personal learning environments

  Published in Computers in Education, Springer, March 2015, Volume 2, Issue 1, pp 93-121, doi:10.1007/s40692-015-0027-0

• Dominik Renzel, Ralf Klamma, Milos Kravcik, Alexander Nussbaumer

  Tracing Self-Regulated Learning in Responsive Open Learning Environments

  Published in Proceedings of the 14th International Conference on Web-based Learning ICWL 2015, Guangzhou, China, November 5-8, 2015, LNCS 9412, Springer, pp. 155-164

• Mohsen Shahriari, Sathvik Parekodi, Ralf Klamma

  Community-aware Ranking Algorithms for Expert Identification in Question-Answer Forums

  Published in the 15th International Conference on Knowledge Technologies and Data-driven Business (i-KNOW 2015)

• Mohsen Shahriari, Sebastian Krott, Ralf Klamma

  WebOCD: A RESTful Web-based Overlapping Community Detection Framework

  Published in the 15th International Conference on Knowledge Technologies and Data-driven Business (i-KNOW 2015)

2014

• Florian Stegmaier, Harald Kosch, Ralf Klamma, Mathias Lux, Ernesto Damiani

  Multimedia on the Web - Editorial

  Published in Florian Stegmaier, Harald Kosch, Ralf Klamma, Mathias Lux, Ernesto Damiani: Multimedia on the web - editorial, Multimedia Tools Appl. 70(2): 821-826 (2014) (2012 Impact Factor: 1.014). DOI:10.1007/s11042-013-1729-9

• Khaled Rashed, Dominik Renzel, Ralf Klamma, Matthias Jarke

  Community and trust-aware fake media detection.

  Published in Multimedia Tools Appl. 70(2): 1069-1098 (2014)

• Michael Derntl, István Koren, Petru Nicolaescu, Dominik Renzel, Ralf Klamma

  Blueprint for Software Engineering in Technology Enhanced Learning Projects

  Published in Christoph Rensing, Sara de Freitas, Tobias Ley, Pedro J. Muñoz Merino (Eds.): Open Learning and Teaching in Educational Communities - 9th European Conference on Technology Enhanced Learning, EC-TEL 2014, Graz, Austria, September 16-19, 2014, Proceedings. Springer 2014 Lecture Notes in Computer Science

• Milos Kravcik, Petru Nicolaescu, Ralf Klamma

  Informal Learning at the Workplace via Adaptive Video

  Published in UMAP 2014 Extended Proceedings. Posters, Demos, Late-breaking Results and Workshop Proceedings of the 22nd Conference on User Modeling, Adaptation, and Personalization (UMAP2014). Aalborg, Denmark, July 7-11, 2014.

• Petru Nicolaescu, Dominik Renzel, István Koren, Ralf Klamma, Jukka Purma, Merja Bauters

  A Community Information System for Ubiquitous Informal Learning Support

  Published in 14th IEEE International Conference on Advanced Learning Technologies (ICALT 2014), Athens, Greece, 2014

• Michael Derntl, Stephan Erdtmann, Petru Nicolaescu, Ralf Klamma, Matthias Jarke

  Echtzeitmetamodellierung im Web-Browser

  Published in Fill HG, Karagiannis D, Reimer U (Eds.) Modellierung 2014. Lecture Notes in Informatics vol. 225, 65-80 (2014)

• Dejan Kovachev, Dominik Renzel, Petru Nicolaescu, István Koren, Ralf Klamma

  DireWolf: A Framework For Widget-based Distributed User Interfaces

  Published in Journal of Web Engineering (JWE), 13(3&4):203-222, 2014.

• Milos Kravcik, Kateryna Neulinger, Ralf Klamma

  Boosting informal workplace learning in small enterprises

  Published in Proceedings of the 4th Workshop on Awareness and Reflection in Technology-Enhanced Learning (ARTEL). In conjunction with the 9th European Conference on Technology Enhanced Learning (EC-TEL): Open Learning and Teaching in Educational Communities. Graz, Austria, September 16, 2014.

• Michael Derntl, Nikou Günnemann, Alexander Tillmann, Ralf Klamma, Matthias Jarke

  Building and Exploring Dynamic Topic Models on the Web

  Published in Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management (CIKM '14), Shanghai, China, pp. 2012-2014. ACM

• Zinayida Petrushyna (Kensche), Ralf Klamma, Matthias Jarke

  The Impact of Culture On Smart Community Technology: The Case of 13 Wikipedia Instances

• Anna Hannemann, Kristjan Liiva, Ralf Klamma

  Navigation Support in Evolving Open-Source Communities by a Web-based Dashboard

  Published in Proceedings of the 10th IFIP WG 2.13 International Conference on Open Source Systems, OSS 2014, San José, Costa Rica, May 6-9, 2014, 11-20.

• Milos Kravcik, Kateryna Neulinger, Ralf Klamma

  Supporting Workplace Learning in Small Enterprises by Personal Learning Environments

  Published in UMAP 2014 Extended Proceedings. Posters, Demos, Late-breaking Results and Workshop Proceedings of the 22nd Conference on User Modeling, Adaptation, and Personalization (UMAP2014). Aalborg, Denmark, July 7-11, 2014.

• Alexander Nussbaumer, Milos Kravcik, Dominik Renzel, Ralf Klamma, Marcel Berthold, Dietrich Albert

  A Framework for Facilitating Self-Regulation in Responsive Open Learning Environments

  Published in Nussbaumer, A., Kravcik, M., Renzel, D., Klamma, R., Berthold, M., & Albert, D. (2014). A Framework for Facilitating Self-Regulation in Responsive Open Learning Environments. arXiv preprint arXiv:1407.5891.

• Zinayida Petrushyna (Kensche), Alexander Ruppert, Ralf Klamma, Dominik Renzel, Matthias Jarke

  i*-REST: Light-Weight i* Modeling with RESTful Web Services

  Published in Proceedings of the Seventh International i* Workshop co-located with the 26th International Conference on Advanced Information Systems Engineering (CAiSE 2014)

• Dejan Kovachev, Ralf Klamma

  Supporting Practices in Professional Communities Using Mobile Cloud Services

  Published in Kuan-Ching Li, Qing Li, Timothy K. Shih (eds.): Cloud Computing and Digital Media: Fundamentals, Techniques, and Applications, Chapman and Hall/CRC, 2014

• István Koren, Jens Bavendiek, Ralf Klamma

  DireWolf Goes Pack Hunting: A Peer-to-Peer Approach for Secure Low Latency Widget Distribution Using WebRTC

  Published in Proceedings of the 14th International Conference on Web Engineering (ICWE'14), 1-4 July, 2014, Toulouse, France, Springer Verlag, LNCS 8541 (won best demo award)

• Dominik Renzel, Ralf Klamma

  Large-Scale Social Requirements Engineering

  Published in Dominik Renzel, Ralf Klamma (eds.), "Large-Scale Social Requirements Engineering", IEEE Computer Society Special Technical Community on Social Networking E-Letter, vol. 2, no. 3, September 2014.

• Dejan Kovachev, Ralf Klamma, Matthias Jarke

  CAELUS: Cloud Architecture for Enabling Mobile Multimedia Services

  Published in Proceedings of GI Informatiktage 2014, Lecture Notes in Informatics (LNI)

• Milos Kravcik, Ralf Klamma

  Self-Regulated Learning Nudges

  Published in Proceedings of the First International Workshop on Decision Making and Recommender Systems (DMRS2014). Bolzano, Italy, September 18-19, 2014.

• Elvira Popescu, Qing Li, Ralf Klamma, Marcus Specht, Howard Leung

  Guest Editorial: Advances in Technology-Enhanced Learning

  Published in Computer Science and Information Systems 11(1):ix-xi, 2014

• Petru Nicolaescu, Ralf Klamma

  SeViAnno 2.0: Web-Enabled Collaborative Semantic Video Annotation Beyond the Obvious

  Published in 12th International Workshop on Content-Based Multimedia Indexing (CBMI 2014), Klagenfurt, Austria, June 18-20, 2014

• Dejan Kovachev, Yiwei Cao, Ralf Klamma

  Building mobile multimedia services: a hybrid cloud computing approach

  Published in Multimedia Tools Appl. 70(2): 977-1005 (2014)

2013

• Dominik Renzel, Ralf Klamma

  From Micro to Macro: Analyzing Activity in the ROLE Sandbox

  Published in Proceedings of the Third Conference on Learning Analytics and Knowledge, LAK'13, Leuven, Belgium, April 8-12, 2013

• Anna Hannemann, Michael Hackstein, Ralf Klamma, Matthias Jarke

  An Adaptive Filter-Framework for the Quality Improvement of Open-Source Software Analysis

• Michael Derntl, Nikou Günnemann, Ralf Klamma

  A Dynamic Topic Model of Learning Analytics Research

  Published in Proceedings of the LAK Data Challenge, Leuven, Belgium, April 9, 2013, CEUR Workshop Proceedings, Vol. 974, 1-5.

• Manh Pham, Ralf Klamma

  Data Warehousing for Lifelong Learning Analytics

  Published in Bulletin of the Technical Committee on Learning Technology, Volume 15, Issue 2, April 2013, 6-9.

• Michael Derntl, Petru Nicolaescu, Bezunesh Terkik, Ralf Klamma

  SynC-LD: Synchronous Collaborative IMS Learning Design Authoring on the Web

  Published in Davinia Hernández Leo, Tobias Ley, Ralf Klamma, Andreas Harrer (Eds.): Scaling up Learning for Sustained Impact - 8th European Conference, on Technology Enhanced Learning, EC-TEL 2013, Paphos, Cyprus, September 17-21, 2013. Proceedings. Springer 2013 Lecture Notes in Computer Science

• Dominik Renzel, Malte Behrendt, Ralf Klamma, Matthias Jarke

  Requirements Bazaar: Social Requirements Engineering for Community-Driven Innovation

  Published in 2013 21st IEEE International Requirements Engineering Conference (RE) Proceedings (Best Tool Demo Award)

• Davinia Hernández-Leo, Tobias Ley, Ralf Klamma, Andreas Harrer

  Scaling up Learning for Sustained Impact - 8th European Conference on Technology Enhanced Learning, EC-TEL 2013, Paphos, Cyprus, September 17-21, 2013. Proceedings. Springer, Lecture Notes in Computer Science 8095, 2013, 978-3-642-40813-7

• Ralf Klamma

  Community Learning Analytics - Challenges and Opportunities

  Published in Advances in Web-Based Learning - ICWL 2013 - 12th International Conference, Kenting, Taiwan, October 6-9, 2013. Proceedings, 284-293, Springer LNCS 8167, 10.1007/978-3-642-41175-5_29

• Dejan Kovachev, Dominik Renzel, Petru Nicolaescu, Ralf Klamma

  DireWolf - Distributing and Migrating User Interfaces for Widget-based Web Applications

  Published in Proceedings of the 13th International Conference on Web Engineering (ICWE'13), 8-12 July, 2013, Aalborg, Denmark, Springer Verlag, LNCS 7977 (nominated for best paper award)

• Matthias Jarke, Manh Pham, Ralf Klamma

  Evolution of the CAiSE Author Community: A Social Network Analysis

  Published in Seminal Contributions to Information Systems Engineering - 25 Years of CAiSE, Springer Berlin Heidelberg, pp 15-33, 2013, 10.1007/978-3-642-36926-1_2

• Dejan Kovachev, Yiwei Cao, Ralf Klamma

  Cloud Services for Improved User Experience in Sharing Mobile Videos

  Published in The 2013 IEEE International Symposium on Mobile Cloud, Computing and Service Engineering (MobileCloud'13)

• István Koren, Andreas Guth, Ralf Klamma

  Shared Editing on the Web: A Classification of Developer Support Libraries

  Published in Proceedings of the 9th IEEE International Conference on Collaborative Computing: Networking, Applications and Worksharing, Collaboratecom 2013, Austin, Texas, October 20-23, 2013

• Nikou Günnemann, Michael Derntl, Ralf Klamma, Matthias Jarke

  An Interactive System for Visual Analytics of Dynamic Topic Models

  Published in Datenbank-Spektrum 13(3): 213-223 (2013)

• Anna Hannemann, Ralf Klamma

  Community Dynamics in Open Source Software Projects: Aging and Social Reshaping

  Published in Proceedings of the 9th IFIP WG 2.13 International Conference on Open Source Systems, OSS 2013, Koper-Capodistria, Slovenia, June 25-28, 2013, pp. 80-96

• Petru Nicolaescu, Michael Derntl, Ralf Klamma

  Browser-Based Collaborative Modeling in Near Real-Time

  Published in Proceedings of the 9th IEEE International Conference on Collaborative Computing: Networking, Applications and Worksharing, Collaboratecom 2013, Austin, Texas, October 20-23, 2013

• Dejan Kovachev, Petru Nicolaescu, Ralf Klamma

  Mobile Real-Time Collaboration for Semantic Multimedia: A Case Study with Mobile Augmented Reality Systems

  Published in Mobile Networks and Applications (Online first), Springer US, doi:10.1007/s11036-013-0453-z

2012

• Dejan Kovachev, Ralf Klamma

  Framework for Computation Offloading in Mobile Cloud Computing

  Published in International Journal of Interactive Multimedia and Artificial Intelligence, 1(7):6-1, 2012 doi:10.9781/ijimai.2012.171

• Manh Pham, Michael Derntl, Yiwei Cao, Ralf Klamma

  Learning Analytics for Learning Blogospheres

  Published in E. Popescu et al. (Eds.): ICWL 2012, LNCS 7558, pp. 255–264, 2012. Springer-Verlag Berlin Heidelberg 2012

• Manh Pham, Michael Derntl, Ralf Klamma

  Development Patterns of Scientific Communities in Technology Enhanced Learning

  Published in Educational Technology & Society, 15(3): 323-335 (2012)

• Elvira Popescu, Ling Qi, Ralf Klamma, Howard Leung, Marcus Specht

  Advances in Web-based Learning - ICWL 2012

  Published in Proceedings 11th International Conference, Sinaia, Romania, September 2-4, 2012, LNCS Vol. 7558

• Gonçalo Pereira, Antonio Brisson, Rui Prada, Ana Paiva, Francesco Bellotti, Milos Kravcik, Ralf Klamma

  Serious Games for Personal and Social Learning & Ethics: Status and Trends

  Published in The Proceedings of the 4th International Conference on Games and Virtual Worlds for Serious Applications (VS-GAMES’12). Edited by Alessandro De Gloria and Sara de Freitas.

• Effie Lai-Chong Law, Hans-Christian Schmitz, Martin Wolpers, Ralf Klamma, Marcel Bertold, Dietrich Albert

  Responsive and Open Learning Environments (ROLE): Requirements, Evaluation and Reflection

  Published in Interaction Design and Architecture(s) Journal (IxD&A), Special Issue on Exploring the future of Technology Enhanced Education: Visions, Practical Implementations and Impact of Glocalities, 15:87-101, 2012.

• Michael Derntl, Stephan Erdtmann, Ralf Klamma

  An Embeddable Dashboard for Widget-Based Visual Analytics on Scientific Communities

  Published in Proceedings of 12th International Conference on Knowledge Management and Knowledge Technologies, I-KNOW '12. ACM Press (2012)

• Dejan Kovachev, Ralf Klamma

  Beyond the Client-Server Architectures: A Survey of Mobile Cloud Techniques

  Published in Proceedings of the 2012 IEEE Workshop on Mobile Cloud Computing (MobiCC'12) held in conjunction with the 1st IEEE International Conference on Communications in China (ICCC'12), 15-18 August, Beijing, China

• Michael Derntl, Ralf Klamma

  The European TEL Projects Community from a Social Network Analysis Perspective

  Published in A. Ravenscroft et al. (Eds.): 21st Century Learning for 21st Century Skills - 7th European Conference of Technology Enhanced Learning, EC-TEL 2012, Saarbrücken, Germany, LNCS vol. 7563, pp. 51-64, Springer Verlag (2012)

• Effie L-C. Law, Arunangsu Chatterjee, Dominik Renzel, Ralf Klamma

  The Social Requirements Engineering (SRE) Approach to Developing a Large-Scale Personal Learning Environment Infrastructure

  Published in A. Ravenscroft et al. (Eds.): 21st Century Learning for 21st Century Skills - 7th European Conference of Technology Enhanced Learning, EC-TEL 2012, Saarbrücken, Germany, LNCS vol. 7563, pp. 194-207, Springer Verlag (2012)

• Manh Pham, Dejan Kovachev, Yiwei Cao, Ralf Klamma

  Enhancing Academic Event Participation with Context-aware and Social Recommendations

  Published in Proceeding of The 2012 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2012), 26-29 August, 2012, Kadir Has University, Istanbul, Turkey. pp. 457-464.

• Dejan Kovachev, Tian Yu, Ralf Klamma

  Adaptive Computation Offloading from Mobile Devices into the Cloud

  Published in Proceedings of the 6th International Conference on Multimedia and Ubiquitous Engineering (MUE 2012), 10-13 July, 2012, Madrid, Spain

• Manh Pham, Yiwei Cao, Zinayida Petrushyna (Kensche), Ralf Klamma

  Learning Analytics in a Teachers' Social Network

  Published in Hodgson, et al. (eds.): Proceedings of the Eighth International Conference on Networked Learning (NLC 2012), Maastricht, the Netherlands, April 2-4, 2012, pp. 414 - 421.

• Dejan Kovachev, Ismail Aksakalli, Ralf Klamma

  A Real-time Collaboration-enabled Mobile Augmented Reality System with Semantic Multimedia

  Published in 8th IEEE International Conference on Collaborative Computing: Networking, Applications and Worksharing

• Dominik Renzel, Patrick Schlebusch, Ralf Klamma

  Today's Top "RESTful'' Services and Why They Are Not RESTful

  Published in X. Sean Wang, Isabel Cruz, Alex Delis, Guangyan Huang (eds.) Lecture Notes in Computer Science 7651 - Web Information Systems Engineering - WISE 2012 13th International Conference, Paphos, Cyprus, November 28-30, 2012. Proceedings

• Khaled Rashed, Cristina Balasoiu, Ralf Klamma

  Robust Expert Ranking in Online Communities - Fighting Sybil Attacks

  Published in Proceedings of the 8th IEEE International Conference on Collaborative Computing: Networking, Applications and Worksharing, Pittsburgh, Pennsylvania, United States, October 14–17, 2012

• Michael Derntl, Ralf Klamma

  A Mediabase for Technology Enhanced Learning in Europe

  Published in IEEE Learning Technology Newsletter, 14 (3), 2-5 (2012)

• Stefano Bocconi, Ralf Klamma, Yulia Bachvarova

  Proceedings of the 1st International Workshop on Pedagogically-driven Serious Games (PDSG 2012)

  Published in CEUR-WS.org Volume 898

• Michael Derntl, Ralf Klamma

  Social Network Analysis of European Project Consortia to Reveal Impact of Technology-Enhanced Learning Projects

  Published in Proceedings of 12th IEEE International Conference on Advanced Learning Technologies (ICALT 2012), European Projects Track, Rome, Italy, 746-747

• Milos Kravcik, Ralf Klamma

  Supporting Self-Regulation by Personal Learning Environments

  Published in Proc. ICALT 2012, 12th IEEE International Conference on Advanced Learning Technologies.

• Birgit Schmitz, Roland Klemke, Marcus Specht, Marvin Hoffmann, Ralf Klamma

  Developing a Mobile Game Environment to Support Disadvantaged Learners

  Published in Carlo Giovannella, Demetrios G. Sampson, Ignacio Aedo (Eds.): 12th IEEE International Conference on Advanced Learning Technologies, ICALT 2012, Rome, Italy, July 4-6, 2012. IEEE 2012 ISBN 978-1-4673-1642-2, 223-227

• Anna Hannemann, Ralf Klamma, Matthias Jarke

  Soziale Interaktion in Open-Source-Communitys

  Published in Open Source - Konzepte, Risiken, Trends, Praxis der Wirtschaftsinformatik, HMD 283, 49. Jahrgang, Februar 2012

2011

• Milos Kravcik, Ralf Klamma

  On Psychological Aspects of Learning Environments Design

  Published in Proc. EC-TEL 2011, 6th European Conference on Technology Enhanced Learning, 20-23 September, Palermo, Italy, pp. 436–441, Springer.

• Manh Pham, Ralf Klamma, Matthias Jarke

  Development of Computer Science Disciplines - A Social Network Analysis Approach

  Published in Springer Journal on Social Network Analysis and Mining (SNAM), 1(4): 321-340, 2011

• Dejan Kovachev, Yiwei Cao, Ralf Klamma, Matthias Jarke

  Learn-as-you-go: New Ways of Cloud-based Micro-learning for the Mobile Web

  Published in Advances in Web-Based Learning - ICWL 2011, Proceedings of 10th International Conference, Hong Kong, December 2011, Lecture Notes in Computer Science, vol. 7048, pp. 51-61, Springer Verlag

• Martin Friedrich, Martin Wolpers, Ruimin Shen, Carsten Ullrich, Ralf Klamma, Dominik Renzel, Anja Richert, Bodo von der Heiden

  Early Results of Experiments with Responsive Open Learning Environments

  Published in Journal of Universal Computer Science (j-jucs), Springer, 17(3):451-471, 2011

• Yiwei Cao, Ralf Klamma, Matthias Jarke

  The Hero's Journey - Template-Based Storytelling for Ubiquitous Multimedia Management

  Published in Special Issue on Journal of Multimedia (JMM): Advances in Interactive Media Technologies, Vol. 6, No. 2, 2011, pp. 156-169, Academy Publisher.

• Milos Kravcik, Ralf Klamma, Zinayida Petrushyna (Kensche)

  How can Psychology inform the Design of Learning Experiences?

  Published in Proc. ICALT 2011, 11th IEEE International Conference on Advanced Learning Technologies.

• Ergang Song, Zinayida Petrushyna (Kensche), Yiwei Cao, Ralf Klamma

  Learning Analytics at Large: The Lifelong Learning Network of 160, 000 European Teachers

  Published in Carlos Delgado Kloos, Denis Gillet, Raquel M. Crespo García, Fridolin Wild, Martin Wolpers (Eds.): Towards Ubiquitous Learning - 6th European Conference of Technology Enhanced Learning, EC-TEL 2011, Palermo, Italy, September 20-23, 2011. Proceedings. Lecture Notes in Computer Science 6964 Springer 2011, 398-411

• Riina Vuorikari, Adriana Berlanga, Romina Cachia, Yiwei Cao, Sibren Fetter, Anne Gilleran, Ralf Klamma, Yves Punie, Santi Scimeca, Peter Sloep, Zinayida Petrushyna (Kensche)

  ICT-Based School Collaboration, Teachers' Networks and their Opportunities for Teachers' Professional Development - A Case Study on eTwinning

  Published in Advances in Web-Based Learning - ICWL 2011, Proceedings of 10th International Conference, Hong Kong, December 2011, Lecture Notes in Computer Science, vol. 7048, pp. 112-121, Springer Verlag

• Ralf Klamma, Matthias Jarke, Anna Hannemann, Dominik Renzel

  Der Bazar der Anforderungen - Open Innovation in emergenten Communities

  Published in Informatik-Spektrum Volume 34(2):178-191, Springer Berlin/Heidelberg, DOI 10.1007/s00287-010-0516-5

• Dejan Kovachev, Yiwei Cao, Ralf Klamma

  Mobile Multimedia Cloud Computing and the Web

  Published in Proceedings of the Workshop on Multimedia on the Web (MMWeb2011) in conjunction with i-Know and i-Semantics 2011

• Jan Schlüter, Dominik Schmitz, Malte Brettel, Matthias Jarke, Ralf Klamma

  Causal vs. Effectual Behavior - Support for Entrepreneurs

  Published in Proceedings of the 5th International i* Workshop 2011, Trento, Italy, August 28-29, 2011, CEUR Workshop Proceedings, Vol. 766, 126-131.

• Julian Krenge, Zinayida Petrushyna (Kensche), Milos Kravcik, Ralf Klamma

  Identification of Learning Goals in Forum-based Communities

  Published in Proc. ICALT 2011, 11th IEEE International Conference on Advanced Learning Technologies.

• Ralf Klamma, Yiwei Cao

  Non-linear Digital Storytelling for the Battleship “G. Averof”

  Published in ERCIM News Speical Issues on ICT for Cultural Heritage, Volume 86, July 2011i

• Rynson Lau, Ralf Klamma, Shu-Ching Chen, Benjamin Wah

  Advances in ubiquitous media technologies and applications

  Published in World Wide Web (WWWJ), Springer 14(3):217-222, 2011

• Khaled Rashed, Dominik Renzel, Ralf Klamma

  Trust-aware Media Quality Profiles in Fake Multimedia Detection

  Published in Proceedings of the International Workshop on Multimedia on the Web, in conjunction with i-Know and i-Semantics 2011, 7–9 September, Messe Congress Graz, Austria, PP. 27-32, IEEE Computer Society, 2011.

• Zinayida Petrushyna (Kensche), Milos Kravcik, Ralf Klamma

  Learning Analytics for Communities of Lifelong Learners: a Forum Case

  Published in Proc. ICALT 2011, 11th IEEE International Conference on Advanced Learning Technologies.

• Manh Pham, Yiwei Cao, Ralf Klamma, Matthias Jarke

  A Clustering Approach for Collaborative Filtering Recommendation Using Social Network Analysis

  Published in Journal of Universal Computer Science (j-jucs), Springer, 17(4):583-604,2011

2010

• Zinayida Petrushyna (Kensche), Ralf Klamma, Milos Kravcik

  Designing During Use: Modeling Communities of Practice

  Published in In Proceedings 4th 2010 IEEE International Conference on Digital Ecosystems and Technologies (IEEE DEST 2010), Dubai, U.A.E.

• Ralf Klamma

  Emerging Research Topics in Social Learning

  Published in Dirckinck-Holmfeld, L., Hodgson, V., Jones, C., de Laat, M., McConnell, D. & Ryberg, T. (eds.): Proceedings of the 7th International Conference on Networked Learning 2010, Aalborg, Denmark, pp. 224-231

• Dejan Kovachev, Dominik Renzel, Ralf Klamma, Yiwei Cao

  Mobile Community Cloud Computing: Emerges and Evolves

  Published in Proceedings of the 11th International Conference on Mobile Data Management (MDM'10), May 23-26, 2010, Kansas City, MO, USA. pp. 393 - 395

• Yiwei Cao, Anna Hannemann, Ralf Klamma, Dejan Kovachev, Dominik Renzel

  Mobile Multimedia Management for Community-aware Storytelling

  Published in Proceedings of the 11th International Conference on Mobile Data Management (MDM'10), May 23-26, 2010, Kansas City, MO, USA. pp. 59-64

• Ralf Klamma, Zinayida Petrushyna (Kensche)

  Pattern-Based Competence Management: On the Gap between Intentions and Reality

  Published in 11th IFIP WG 5.5 Working Conference on Virtual Enterprises, PRO-VE 2010, St. Etienne, France, October 11-13, 2010, Proceedings, pp. 364-371 Series: IFIP Advances in Information and Communication Technology, Vol. 336,

• Yiwei Cao, Ralf Klamma, Martin Hristov

  The Hero's Journey - A Storytelling Template Engine for Ubiquitous Multimedia

  Published in Klamma, R. et al. (eds.): 3rd IEEE International Conference on Ubi-Media Computing (U-Media), July 5-7, 2010, Jinhua, China, pp.118-123, IEEE Press.

• Ralf Klamma, R. W. H. Lau, Shu-Ching Chen, Q. Li, Ishfaq Ahmad, Jianmin Zhao

  3rd IEEE International Conference on Ubi-Media Computing (U-Media)

• Yiwei Cao, Ralf Klamma, Matthias Jarke

  Mobile multimedia management for Virtual Campfire - the German excellence research cluster UMIC

  Published in International Journal on Computer Systems, Science and Engineering (IJCSSE), 25(3): 251-265, May 2010.

• Martin Ebner, Ralf Klamma, Sandra Schaffert

  Mashups for Learning - Editorial

  Published in Journal of Emerging Technologies in Learning (iJET), Volume 5, Special Issue: "ICL2009 - MashUps for Learning"

• Matthias Jarke, Ralf Klamma, Klaus Pohl, Ernst Sikora

  Requirements Engineering in Complex Domains

  Published in Gregor Engels, Claus Lewerentz, Wilhelm Schäfer, Andy Schürr, Bernhard Westfechtel (eds.): Graph Transformations and Model-Driven Engineering, Lecture Notes in Computer Science, 2010, Volume 5765/2010, 602-620, DOI: 10.1007/978-3-642-17322-6_26

• Yiwei Cao, Dejan Kovachev, Ralf Klamma, Rynson Lau

  Enhancing Personal Learning Environments by Context-Aware Tagging

  Published in Proceedings of ICWL 2010 - Advances in Web-Based Learning, LNCS Vol 6483, 2010, 11-20

• Ralf Klamma, Clemens Cap

  Editorial i-com 9(3), 2010

  Published in i-com. Jahrgang 9 (2010) Heft 3, S. 1-2, DOI 10.1524/icom.2010.0033(http://i-com-media.de)

• Eleni Gadolou, Haroula Papadaki, Emmanuel Stefanakis, Georgios Kritikos, Yiwei Cao, Anna Hannemann, Ralf Klamma, Dejan Kovachev

  Storytelling, Spatial Standards and Cultural Heritage Management

  Published in (short paper), Marco Painho, Maribel Yasmina Santos and Hardy Pundt (eds.): Proceedings of 13th AGILE International Conference on Geographic Information Science: Geospatial Thinking, Guimaraes, Portugal, May 10-14, 2010

• Haroula Papadaki, Eleni Gadolou, Emmanuel Stefanakis, Georgios Kritikos, Yiwei Cao, Anna Hannemann, Dejan Kovachev, Ralf Klamma

  The role of CMS in the education of GIS using storytelling

  Published in Seventh European GIS Education Seminar (EUGISES 2010), September 9 - 12, 2010, Serres Greece.

• Manh Pham, Ralf Klamma

  The Structure of the Computer Science Knowledge Network

  Published in Proceeding of the 2010 IEEE International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2010), 9-11 August, 2010, Odense, Denmark

• Manh Pham, Yiwei Cao, Ralf Klamma

  Clustering Technique for Collaborative Filtering and the Application to Venue Recommendation

  Published in Proceeding of the 10th International Conference on Knowledge Management and Knowledge Technologies (I-KNOW 2010), 1-3 September, 2010, Graz, Austria

• M. Wolpers, Martin Friedrich, Ruimin Shen, Carsten Ullrich, Ralf Klamma, Dominik Renzel

  Early Experiences with Responsive Open Learning Environments

  Published in Proceedings of the 10th International Conference on Knowledge Management and Knowledge Technologies (I-KNOW 2010), 1-3 September, 2010, Graz, Austria

• Dejan Kovachev, Yiwei Cao, Ralf Klamma

  Augmenting Pervasive Environments with an XMPP-based Mobile Cloud Middleware

  Published in Proceedings of International Workshop on Mobile Computing and Clouds (MobiCloud 2010) in conjunction with MobiCASE 2010, October 28, 2010, Santa Clara, CA, USA.

• Harald Kosch, Ralf Klamma, Mathias Lux, Marc Spaniol, Florian Stegmaier

  Proceedings of the 12th International Workshop of the Multimedia Metadata Community, the 2nd Workshop focusing on Semantic Multimedia Database Technologies 2010 (SMDT-2010), Saarbrücken, Germany, December 2, 2010

  Published in Published as CEUR-WS Vol. 680, http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS/Vol-680/

• Dominik Renzel, Khaled Rashed, Ralf Klamma

  Collaborative Fake Media Detection in a Trust-Aware Real-Time Distribution Network

  Published in H. Kosch, R. Klamma, M. Lux, M. Spaniol and F. Stegmaier (eds.): Proceedings of the 12th International Workshop of the Multimedia Metadata Community, the 2nd Workshop focusing on Semantic Multimedia Database Technologies 2010, collocated with the 5th International Conference on Semantic and Digital Media Technologies (SAMT2010), Saarbrücken, Germany, December 2, 2010, CEUR-WS.org Vol. 680, 17-28.

• Ralf Klamma

  Werkzeuge und Modelle für die übergreifende Untersuchung von Social Software

  Published in i-com, Jahrgang 9 (2010) Heft 3, S. 12-20, DOI 10.1524/icom.2010.0034 (http://i-com-media.de)

• Jan Schilling, Ralf Klamma

  The difficult bridge between university and industry: a case study in computer science teaching

  Published in Assessment & Evaluation in Higher Education, 35(4):367-380, 2010, 10.1080/02602930902795893

• Dejan Kovachev, Yiwei Cao, Ralf Klamma

  Mobile Cloud Computing: A Comparison of Application Models

  Published in arXiv.org: Networking and Internet Architecture (cs.NI); Distributed, Parallel, and Cluster Computing (cs.DC); Multimedia (cs.MM)

• Dominik Renzel, Yiwei Cao, Michael Lottko, Ralf Klamma

  Collaborative Video Annotation for Multimedia Sharing between Experts and Amateurs

  Published in Anna Carreras, Jaime Delgado, Xavier Maroñas, Víctor Rodríguez (Eds.): Proceedings of the 11th International Workshop of the Multimedia Metadata Community on Interoperable Social Multimedia Applications (WISMA-2010), CEUR Workshop Proceedings Vol-583 Barcelona, Spain, May 19-20, 2010, 7-14.

• Marc Spaniol, Quing Li, Ralf Klamma, R. W. H. Lau

  Advanced in Web-based Learning - Guest Editorial Preface for Special Issue

  Published in International Journal of Distance Education Technologies (JDET), April-June 2010, Vol. 8, No. 3

• Yiwei Cao, Dominik Renzel, Matthias Jarke, Ralf Klamma, Michael Lottko, Georgios Toubekis, Michael Jansen

  Well-balanced Usability & Annotation Complexity in Interactive Video Semantization

  Published in Proceedings of the 4th International Conference on Multimedia and Ubiquitous Engineering (MUE 2010)

• Khaled Rashed, Ralf Klamma

  Towards Detecting Faked Images

  Published in Anna Carreras, Jaime Delgado, Xavier Maroñas, Víctor Rodríguez (Eds.): Proceedings of the 11th International Workshop of the Multimedia Metadata Community on Interoperable Social Multimedia Applications (WISMA-2010), CEUR Workshop Proceedings Vol-583 Barcelona, Spain, May 19-20, 2010.

• Dejan Kovachev, Ralf Klamma

  A Cloud Multimedia Platform

  Published in Anna Carreras, Jaime Delgado, Xavier Maroñas, Víctor Rodríguez (Eds.): Proceedings of the 11th International Workshop of the Multimedia Metadata Community on Interoperable Social Multimedia Applications (WISMA-2010), CEUR Workshop Proceedings Vol-583 Barcelona, Spain, May 19-20, 2010, 61-64.

• L. Jäger, Matthias Jarke, Ralf Klamma, Marc Spaniol

  Transkriptivität -- Operative Medientheorien als Grundlage von Informationssystemen in den Kulturwissenschaften

  Published in H. Bublitz, R. Marek, C.L. Steinmann, H. Winkler (Hrsg.): Automatismen, pp. 299-314. Wilhelm Fink Verlag 2010. ISBD 978-3-7705-4987-0

2009

• Ralf Klamma, Yiwei Cao, Matthias Jarke

  Storytelling on the Web 2.0 as a New Means of Creating Arts

  Published in Borko Furht (Eds.): Handbook of Multimedia for Digital Entertainment and Arts, Springer, pp. 623-650, 2009

• Yiwei Cao, Anna Hannemann, Ralf Klamma, Dominik Renzel

  A Community Success Model for Gaming Communities

  Published in Journal of Multimedia, Vol 4, No 2 (2009), 87-93, Apr 2009, ACADEMY PUBLISHER, doi:10.4304/jmm.4.2.87-93

• Ralf Klamma, Marc Spaniol, Matthias Jarke

  Knowledge multimedia processes in technology enhanced learning

  Published in Proceedings of the first ACM international workshop on Multimedia technologies for distance learning (MTDL'09 ), October 23-23, 2009, Beijing, China, ACM, New York, NY, USA, 77-86

• Ralf Klamma, Harald Kosch, Mathias Lux, Florian Stegmaier

  Proceedings of the 10th Multimedia Metadata Community Workshop on Semantic Multimedia Database Technologies (SeMuDaTe'09)

  Published in CEUR-WS Vol. 539

• R. Grigoras, V. Charvillat, Ralf Klamma, H. Kosch

  Proceedings of the 9th Workshop on Multimedia Metadata (WMM'09), Toulouse, France, March 19-20, 2009

  Published in CEUR-WS Vol. 441, 2009 http://CEUR-WS.org/Vol-441/

• Matthias Jarke, Ralf Klamma, K. Lyytinen

  Metamodeling

  Published in In M.A. Jeusfeld, M. Jarke, J. Mylopoulos (eds.): Metamodeling for Method Engineering, MIT Press 2009, pp. 43-88

• Marc Spaniol, Q. Li, Ralf Klamma, R. W. H. Lau

  Advances in Web Based Learning - ICWL 2009

  Published in 8th International Conference, Aachen, Germany, August 2009 Proceedings, LNCS 5686, Springer

• Ruth Breuer, Ralf Klamma, Yiwei Cao, Riina Vuorikari

  Social Network Analysis of 45,000 Schools: A Case Study of Technology Enhanced Learning in Europe

  Published in Cress, U., Dimitrova, V. and Specht, M. (Eds.) Learning in the Synergy of Multiple Disciplines, Proceedings of 4th European Conference on Technology Enhanced Learning, EC-TEL 2009, Nice, France, September/October 2009, LNCS 5794, Springer, pp. 166-180

• Ralf Klamma, Georgios Toubekis, Yiwei Cao, Dominik Renzel, Matthias Jarke, Michael Jansen

  Virtual Campfire - Cultural Heritage Management and Presentation on Mobile Devices based on Interoperable Cross-Plattform MPEG-7 Multimedia Web Services

  Published in Conference Paper at the 22nd CIPA Symposium - Digital Documentation, Interpretation & Presentation of Cultural Heritage, 11-15 Octoer 2009, Kyoto, Japan

• Dejan Kovachev, Ralf Klamma

  Context-aware Mobile Multimedia Services in the Cloud

  Published in Ralf Klamma, Harald Kosch, Matthias Lux and Florian Stegmaier (Eds.): Proceedings of the 10th International Workshop of the Multimedia Metadata Community on Semantic Multimedia Database Technologies (SeMuDaTe'09), CEUR Workshop Proceedings, Vol. 539, Graz, Austria, December, 2009

• Dominik Renzel, Ralf Klamma, Yiwei Cao, Dejan Kovachev

  Virtual Campfire - Collaborative Multimedia Semantization with Mobile Social Software

  Published in Ralf Klamma, Harald Kosch, Matthias Lux and Florian Stegmaier (Eds.): Proceedings of the 10th International Workshop of the Multimedia Metadata Community on Semantic Multimedia Database Technologies (SeMuDaTe'09), CEUR Workshop Proceedings, Vol. 539, Graz, Austria, December, 2009

• Ralf Klamma, Manh Pham, Yiwei Cao

  You Never Walk Alone: Recommending Academic Events Based on Social Network Analysis

  Published in Proceedings of the First International Conference on Complex Science (Complex'09), Feb. 23-25, 2009, Shanghai, China

• Yiwei Cao, Ralf Klamma, M. Khodaei

  A Multimedia Service with MPEG-7 Metadata and Context Semantics

  Published in R. Grigoras, V. Charvillat, R. Klamma, H. Kosch (Eds.): Proceedings of the 9th Workshop on Multimedia Metadata (WMM'09), Toulouse, France, March 19-20, 2009, CEUR-WS Vol. 441, http://CEUR-WS.org/Vol-441/

• Yiwei Cao, Matthias Jarke, Ralf Klamma, O. Mendoza, Satish Srirama

  Mobile Access to MPEG-7 Based Multimedia Services

  Published in Proc. of the Tenth International Conference on Mobile Data Management, May 18-20, 2009, Taipei, Taiwan, pp. 102-111

• Yiwei Cao, Xi Chen, Niels Drobek, A. Hahne, Anna Hannemann, Christian Hocken, Michael Jansen, H. Janßen, Matthias Jarke, Ralf Klamma, Dejan Kovachev, Zinayida Petrushyna (Kensche), Manh Pham, Dominik Renzel, Patrik Schlebusch, Georgios Toubekis

  Virtual Campfire - Cross-Platform Services for Mobile Social Software (Demo paper)

  Published in Proc. of the Tenth International Conference on Mobile Data Management, May 18-20, 2009, Taipei, Taiwan, pp. 363-364

• Anna Hannemann, Christian Hocken, Ralf Klamma

  Community Driven Elicitation of Requirements with Entertaining Social Software

  Published in Münch, J.; Liggesmeyer, P. (Ed.): Software Engineering 2009 – Workshopband, Germany, Kaiserslautern, March 2-6, 2009, pp. 317-328, ISBN 978-3-88579-244-4

• Yiwei Cao, Ralf Klamma, Y. Gao, R. W. H. Lau, Matthias Jarke

  A Web 2.0 Personal Learning Environment for Classical Chinese Poetry

  Published in Advances in Web Based Learning - ICWL 2009, 8th International Conference, Aachen, Germany, August 2009 Proceedings, LNCS 5686, Springer, pp.98-107

• Dominik Renzel, Ralf Klamma

  Semantic Monitoring and Analyzing Context-aware Collaborative Multimedia Services

  Published in Proceedings of the 2009 IEEE International Conference on Semantic Computing, 14-16 September 2009 / Berkeley, CA, USA

• Yiwei Cao, Ralf Klamma, Dejan Kovachev

  Multimedia Processing on Multimedia Semantics and Multimedia Context

  Published in Ralf Klamma, Harald Kosch, Matthias Lux and Florian Stegmaier (Eds.): Proceedings of the 10th International Workshop of the Multimedia Metadata Community on Semantic Multimedia Database Technologies (SeMuDaTe'09), CEUR Workshop Proceedings, Vol. 539, Graz, Austria, December, 2009

2008

• L. Jäger, Matthias Jarke, Ralf Klamma, Marc Spaniol

  Transkriptivität: Operative Medientheorien als Grundlage von Informationssystemen für die Kulturwissenschaften

  Published in Informatik Spektrum, Vol. 31, No. 1, ISSN 0170-6012, Springer, Berlin Heidelberg, pp. 21-29, 2008

• Ralf Klamma, Matthias Jarke

  Software social móvil en comunidades profesionales

  Published in Novatica, no. 193, May-June, pp. 30-34, 2008

• Ralf Klamma, Matthias Jarke

  Mobile Social Software for Professional Communities

  Published in UPGRADE, Vol. IX, issue No. 3, June 2008, 37-43

• Marc Spaniol, Ralf Klamma, Yiwei Cao

  Media Centric Knowledge Sharing on the Web 2.0

  Published in M. D. Lytras, R. Tennyson and P. O. de Pablos (Eds.): Knowledge Networks: The Social Software Perspective, IDEA Group Publishing, Hershey, PA, USA, 2008, pp. 46-60

• Ralf Klamma, Yiwei Cao, Marc Spaniol

  Smart Social Software for Mobile Cross-Media Communities

  Published in Granitzer, Michael, Lux, Mathias, Spaniol, Marc (Eds.): Multimedia Semantics - The Role of Metadata, Series: Studies in Computational Intelligence, Vol. 101, Springer, 2008

• W. Bailer, L. Brunie, M. Döller, M. Granitzer, Ralf Klamma, H. Kosch, M. Lux, Marc Spaniol

  Multimedia Metadata Standards

  Published in Borko Furht (ed.): Encyclopedia of Multimedia, Springer, 2008, ISBN 978-0-387-74724-8, Part 13, pp. 568-574

• Ralf Klamma, N. Sharda, Balthasar Fernández-Manjón, Harald Kosch, Marc Spaniol

  Proceedings of the First International Workshop on Story-Telling and Educational Games (STEG'08) at EC-TEL 08, Sep. 16, 2008, Maastricht, the Netherlands

• Georgios Toubekis, Yiwei Cao, Ralf Klamma, Marc Spaniol

  ACIS: A collaborative hypermedia geospatial community information systems of Afghan Monuments and Sites

  Published in Proceedings of Computer Applications & Quantitative Methods in Archaeology (CAA 2008) - 2-6 April, Budapest/Hungary, 2008

• Matthias Jarke, Ralf Klamma

  Reflective Community Information Systems

  Published in Y. Manolopoulos et al. (eds.): ICEIS 2006, Springer LNBIP 3, pp. 17-28, 2008.

• Matthias Jarke, Ralf Klamma, Gerhard Lakemeyer, Dominik Schmitz

  Continuous, Requirements-Driven Support for Organizations, Networks, and Communities

  Published in Proc. of the 3rd Int. i* Workshop, Recife, Brazil, February 11-12, 2008, CEUR-WS.org, Vol. 322, pp. 47-50

• Yiwei Cao, Ralf Klamma, M. Hou, Matthias Jarke

  Follow Me, Follow You - Spatiotemporal Community Context Modeling and Adaptation for Mobile Information Systems

  Published in Proc. of the 9th International Conference on Mobile Data Management, April 27-30, 2008, Beijing, China, pp. 108-115

• Dominik Renzel, Ralf Klamma, Marc Spaniol

  MobSOS - A Testbed for Mobile Multimedia Community Services

  Published in 9th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS '08), May 7-9, 2008, Klagenfurt, Austria

• Yiwei Cao, Anna Hannemann, Ralf Klamma, Dominik Renzel, Marc Spaniol

  Measuring Community Satisfaction across Gaming Communities

  Published in International Workshop on Interactive Digital Entertainment Technologies (IDET 2008), Proceedings of the First IEEE International Conference on Ubi-Media Computing and Workshops, July 15-16, 2008, Lanzhou, China, pp. 414-419.

• Anna Hannemann, Ralf Klamma, Matthias Jarke

  Community-Aware Adaptive Systems

  Published in H.-GT. Hegering, A. Lehmann, J. Ohlbach, C. Scheideler (eds.): Proceedings of the 38. Jahrestagung der Gesellschaft für Informatik e.V. (GI), die INFORMATIK 2008, Köllen Druck+Verlag GmbH, Bonn, pp. 796-801

• Ralf Klamma, Yiwei Cao, Anna Hannemann, A. Hahne, Dominik Renzel

  Non-linear Story-telling in a Mobile World

  Published in K. Tochtermann et. al. (Eds.): Proceedings of I-Know'08 and I-Media'08, International Conferences on Knowledge Management and New Media Technology, Graz, Austria, September 3-5, 2008, Journal of Universal Computer Science (J.UCS), pp.218-225

• Marc Spaniol, Yiwei Cao, Ralf Klamma, P. Moreno-Ger, B. Fernández Manjón, J. Luis Sierra, Georgios Toubekis

  From Story-Telling to Educational Gaming: The Bamiyan Valley Case

  Published in F. Li, J. Zhao, T. K. Shih R. Lau, Q. Li, D. McLeod (Eds.) Advances in Web Based Learning - ICWL 2008, Proceedings, Jinhua, China, August 2008, LNCS 5145, Springer, pp. 253--264

• Yiwei Cao, Anna Hannemann, Ralf Klamma, Zinayida Petrushyna (Kensche)

  Getting to "Know" People on the Web 2.0

  Published in K. Tochtermann et. al. (Eds.): Proceedings of I-Know'08 and I-Media'08, International Conferences on Knowledge Management and New Media Technology, Graz, Austria, September 3-5, 2008, Journal of Universal Computer Science (J.UCS), pp.169-176

• Yiwei Cao, Ralf Klamma, A. Martini

  Collaborative Storytelling in the Web 2.0

  Published in R. Klamma, N. Sharda, B. Fernández-Manjón, H. Kosch, M. Spaniol (Eds.): Proceedings of the First International Workshop on Story-Telling and Educational Games (STEG'08) at EC-TEL 08, Sep. 16, 2008, Maastricht, the Netherlands, CEUR-WS.org

• Ralf Klamma, Zinayida Petrushyna (Kensche)

  The Troll Under the Bridge: Data Management for Huge Web Science Mediabases

  Published in H.-GT. Hegering, A. Lehmann, J. Ohlbach, C. Scheideler (eds.): Proceedings of the 38. Jahrestagung der Gesellschaft für Informatik e.V. (GI), die INFORMATIK 2008, Köllen Druck+Verlag GmbH, Bonn, pp. 923-928, 2008

• Zinayida Petrushyna (Kensche), Ralf Klamma

  No Guru, No Method, No Teacher: Self-Oberservation and Self-Modelling of E-Learning Communities

  Published in 3rd European Conference on Technology Enhanced Learning, EC-TEL 2008, Maastricht, The Netherlands, Springer-Verlag, LNCS 5192, pp.354-365, 2008

• Ralf Klamma, C. Haasler

  Wikis as Social Networks: Evolution and Dynamics

  Published in Proceedings of the Second KDD Workshop on Social Network Mining and Analysis, August 24, 2008, Las Vegas, Nevada, USA, 2008

• Ralf Klamma, C. Haasler

  Dynamic Network Analysis of Wikis

  Published in K. Tochtermann et. al. (Eds.): Proceedings of I-Know'08 and I-Media'08, International Conferences on Knowledge Management and New Media Technology, Graz, Austria, September 3-5, 2008, Journal of Universal Computer Science (J.UCS), 2008.

2007

• M. Kalz, M. Specht, Ralf Klamma, Mohamed Chatti, R. Koper

  Kompetenzentwicklung in Lernnetzwerken für das lebenslange Lernen

  Published in In U. Dittler, M. Kindt & C. Schwarz (Eds.), Online-Communities als soziale Systeme (40 ed., pp. 181 - 197). Münster: Waxmann.

• Matthias Jarke, T. Seidl, Christoph Quix, David Kensche, S. Conrad, E. Rahm, Ralf Klamma, H. Kosch, M. Granitzer, S. Apel, M. Rosenmüller, G. Saake, O. Spinczyk

  Datenbanksysteme in Business, Technologie und Web (BTW 2007) - Workshop Proceedings

  Published in Mainz Verlag, Aachen, 2007

• E. Duval, Ralf Klamma, M. Wolpers

  Creating New Learning Experiences on a Global Scale - Second European Conference on Technology Enhanced Learning, EC-TEL 2007, Crete, Greece, September 17-20, 2007, Proceedings

  Published in Lecture Notes in Computer Science, Vol. 4753, Springer-Verlag

• M. Wolpers, Ralf Klamma, E. Duval

  EC-TEL 2007 Posters

  Published in Proceedings of the EC-TEL 2007 Poster Session, Crete, Greece, September 17-20, 2007, CEUR-WS.org Vol. 280

• M. Rohde, Ralf Klamma, Matthias Jarke, Volker Wulf

  Reality is our laboratory: communities of practice in applied computer science

  Published in Behaviour & Information Technology, Special Issue: Computer Support for Learning Communities, 26(1):81-94, January-February 2007

• Ralf Klamma, Mohamed Chatti, E. Duval, H. Hummel, E. T. Hvannberg, Milos Kravcik, E. Law, Ambjorn Naeve, P. Scott

  Social Software for Life-long Learning

  Published in Journal of Educational Technology & Society, 10(3):72-83, 2007

• Ralf Klamma, S. Steinfels

  Innovationsmanagement und Web 2.0

  Published in C. Müller, N. Gronau (Hgg.): Analyse sozialer Netzwerke und Social Software - Grundlagen und Anwendungsbeispiele, GITO-Verlag, Berlin, 2007, 273-302

• Ralf Klamma, Yiwei Cao, Marc Spaniol

  Watching the Blogosphere: Knowledge Sharing in the Web 2.0

  Published in N. Nicolov, N. Glance, E. Adar, M. Hurst, M Liberman, J. H. Martin and F. Salvetti (Eds.): International Conference on Weblogs and Social Media, Boulder, Colorado, USA, March 26-28, 2007, pp. 105-112.

• Mohamed Chatti, Ralf Klamma, Matthias Jarke, Ambjorn Naeve

  The Web 2.0 Driven SECI Model Based Learning Process

  Published in Proceedings of the 7th International Conference on Advanced Learning Technologies (ICALT 2007), July 18-20, Niigata, Japan, 2007.

• Yiwei Cao, Ralf Klamma, Marc Spaniol, Y. Leng

  A Toolkit to Support Dynamic Social Network Visualization

  Published in The 9th International Conference on Visual Information Systems, June 28-29, 2007, Shanghai, China

• Ralf Klamma, Yiwei Cao, Marc Spaniol, Y. Leng

  Spatiotemporal Knowledge Visualization and Discovery in Dynamic Social Networks

  Published in K. Tochtermann, H. Maurer (eds.): Proceedings of I-KNOW 07, 7th International Conference on Knowledge Management, Graz, Austria, Sept. 5-7, 2007, J.UCS (Journal of Universal Computer Science) Proceedings, pp. 384-391

• Marc Spaniol, Ralf Klamma, M. Lux

  Imagesemantics: User-Generated Metadata, Content Based Retrieval & Beyond

  Published in K. Tochtermann, H. Maurer, F. Kappe, A. Scharl (Eds.): Proceedings of I-Media'07, International Conference on New Media Technology and Semantic Systems, Graz, Austria, September 5 - 7, 2007, J.UCS (Journal of Universal Computer Science) Proceedings, pp. 41-48, 2007

• Yiwei Cao, Marc Spaniol, Ralf Klamma, Dominik Renzel

  Virtual Campfire - A Mobile Social Software for Cross-Media Communities

  Published in K. Tochtermann, H. Maurer, F. Kappe, A. Scharl (Eds.): Proceedings of I-Media'07, International Conference on New Media Technology and Semantic Systems, Graz, Austria, September 5 - 7, 2007, J.UCS (Journal of Universal Computer Science) Proceedings, pp. 192-195, 2007

• Ralf Klamma, Marc Spaniol, Dominik Renzel

  Community-Aware Semantic Multimedia Tagging - From Folksonomies to Commsonomies

  Published in K. Tochtermann, H. Maurer, F. Kappe, A. Scharl (Eds.): Proceedings of I-Media'07, International Conference on New Media Technology and Semantic Systems, Graz, Austria, September 5 - 7, 2007, J.UCS (Journal of Universal Computer Science) Proceedings, pp. 163-171, 2007

• Marc Spaniol, Yiwei Cao, Ralf Klamma

  A Media Theoretical Approach to Technology Enhanced Learning in Non-technical Disciplines

  Published in E. Duval, R. Klamma, M. Wolpers(Eds.): Creating New Learning Experiences on a Global Scale, Proceedings of Second European Conference on Technology Enhanced Learning, EC-TEL 2007, Crete, Greece, September 2007, LNCS 4753, Springer-Verlag, pp.307-321

• Yiwei Cao, Ralf Klamma, Satish Srirama, K. Wang

  The Mobile Interfaces for Geo-hypermedia Databases

  Published in R. Meersman, Z. Tari, P. Herrero (eds.): Proceedings of On the Move to Meaningful Internet Systems 2007: OTM 2007 Workshop MONET, Vilamoura, Portugal, November 2007, Springer, pp. 417-426

• K. Maillet, T. Klobucar, D. Gillet, Ralf Klamma

  EC-TEL 2007 PROLEARN Doctoral Consortium

  Published in Proceedings of the EC-TEL 2007 PROLEARN Doctoral Consortium, Crete, Greece, September 18, 2007, CEUR-WS.org Vol. 288

• Marc Spaniol, Ralf Klamma, Yiwei Cao

  Learning as a Service: A Web-Based Learning Framework for Communities of Professionals on the Web 2.0

  Published in H. Leung, F. Li, R. W. H. Lau, Q. Li (Eds.): Advances in Web-Based Learning, Proceedings of ICWL 2007, Edinburgh, Scotland, August 15-17, 2007, Springer-Verlag, Berlin Heidelberg, LNCS 4823, pp. 160-173

2006

• Marc Spaniol, Ralf Klamma, L. Springer, Matthias Jarke

  Aphasic Communities of Learning on the Web

  Published in International Journal of Distance Education Technologies (JDET), Vol. 4, No.1, 2006, R. Lau and F. Li (Eds.): Special Issue: Advances in Web-Based Learning, pp. 31-45

• Marc Spaniol, Ralf Klamma, Matthias Jarke

  Selbstbeobachtungswerkzeuge zur cross-medialen, sozialen Netzwerkanalyse kulturwissenschaftlicher Communities

  Published in M. Cuntz, B. Nitsche, I. Otto, and M. Spaniol (Eds.): Die Listen der Evidenz, DuMont, Köln, ISBN 3-8321-7979-8, 2006, pp. 239-254.

• L. Springer, T. Hupp, Marc Spaniol, Ralf Klamma

  SOCRATES-Chat für Aphasiker: Die Entwicklung einer virtuellen Gemeinschaft für Sprach- und Sprechgestörte

  Published in Forum Logopädie, Schulz-Kirchner Verlag, Idstein, 2 (20), pp. 26-31

• Matthias Jarke, Ralf Klamma, Marc Spaniol

  Internet-Kooperation verändert die Kulturwissenschaften

  Published in RWTH Themen, RWTH Aachen, Sommersemester, 2006, pp. 10-11

• Ralf Klamma, Marc Spaniol, Yiwei Cao

  MPEG-7 Compliant Community Hosting

  Published in M. Lux, M. Jarke, H. Kosch (Eds.): MPEG and Multimedia Metadata Community Workshop Results 2005, J.UKM Special Issue (Journal of Universal Knowledge Management), Springer, Vol. 1, No. 1, 2006, pp. 36-44

• Ralf Klamma, Marc Spaniol, Matthias Jarke, Yiwei Cao, Michael Jansen, Georgios Toubekis

  A Hypermedia Afghan Sites and Monuments Database

  Published in E. Stefanakis, M.P. Peterson, C. Armenakis, V. Delis (Eds.): Geographic Hypermedia - Concepts and Systems, LNG&C, ISBN 3-540-34237-0, Springer-Verlag, pp 189-209.

• Ralf Klamma, Marc Spaniol, Matthias Jarke, Yiwei Cao, Michael Jansen, Georgios Toubekis

  Standards for Geographic Hypermedia: MPEG, OGC and co.

  Published in E. Stefanakis, M.P. Peterson, C. Armenakis, V. Delis (Eds.): Geographic Hypermedia - Concepts and Systems, LNG&C, ISBN 3-540-34237-0, Springer-Verlag, pp. 233-256.

• M. Scholten, Ralf Klamma, C. Kiehle

  Evaluating Performance in Spatial Data Infrastructures for Geoprocessing

  Published in IEEE Internet Computing, vol. 10, no. 5, pp. 34-41, Sept/Oct, 2006.

• Ralf Klamma, Marc Spaniol, Dominik Renzel

  Virtual Entrepreneurship Lab 2.0: Sharing Entrepreneurial Knowledge by Non-Linear Story-Telling

  Published in J.UKM (Journal of Universal Knowledge Management), Springer, 1(3):174-–198, 2006.

• Mohamed Chatti, T. Sodhi, M. Specht, Ralf Klamma, Roland Klemke

  u-Annotate: An Application for User-Driven Freeform Digital Ink Annotation of E-Learning Content

  Published in Proceedings of the 6th International Conference on Advanced Learning Technologies (ICALT 2006), July 5-7, Kerkrade, Netherlands, 2006, 1039-1043

• Mohamed Chatti, Ralf Klamma, Matthias Jarke, V. Kamtsiou, D. Pappa, Milos Kravcik, Ambjorn Naeve

  TECHOLOGY ENHANCED PROFESSIONAL LEARNING: Process, Challenges and Requirements

  Published in Proceedings of the second International Conference on Web Information Systems and Technologies (WEBIST 2006), April 11-13, Setubal, Portugal

• Ralf Klamma, Mohamed Chatti, E. Duval, S. Fiedler, H. Hummel, E. T. Hvannberg, A. Kaibel, B. Kieslinger, Milos Kravcik, E. Law, Ambjorn Naeve, P. Scott, M. Specht, C. Tattersall, R. Vuorikari

  Social Software for Professional Learning: Examples and Research Issues

  Published in Proceedings of the 6th International Conference on Advanced Learning Technologies (ICALT 2006), July 5-7, Kerkrade, Netherlands, 2006, 912-914

• Yiwei Cao, Ralf Klamma, Marc Spaniol, Matthias Jarke, Georgios Toubekis, Michael Jansen

  Spatiotemporal Thematic Maps for Sustainable Development of Heritage Site Tourism

  Published in H. Kremers and V. Tikunov (eds.): Proceedings of InterCarto - Inter GIS 12, International Conference on Geoinformation for Sustainable Development Berlin, Germany, August 28-30, pp. 143-153, 2006

• Ralf Klamma, Marc Spaniol, D. Denev

  PALADIN: A Pattern Based Approach to Knowledge Discovery in Digital Social Networks

  Published in K. Tochtermann, H. Maurer (Eds.): Proceedings of I-KNOW '06, 6th International Conference on Knowledge Management, Graz, Austria, September 6 - 8, 2006, J.UCS (Journal of Universal Computer Science) Proceedings, Springer, pp. 457-464.

• Marc Spaniol, Ralf Klamma, H. Janßen, Dominik Renzel

  LAS: A Lightweight Application Server for MPEG-7 Services in Community Engines

  Published in K. Tochtermann, H. Maurer (Eds.): Proceedings of I-KNOW '06, 6th International Conference on Knowledge Management, Graz, Austria, September 6 - 8, 2006, J.UCS (Journal of Universal Computer Science) Proceedings, Springer, pp. 592-599.

• Ralf Klamma, Marc Spaniol, Dominik Renzel

  Virtual Entrepreneurship Lab 2.0: Sharing Entrepreneurial Knowledge by Non-Linear Story-Telling

  Published in K. Tochtermann, H. Maurer (Eds.): Proceedings of I-KNOW '06, 6th International Conference on Knowledge Management, Graz, Austria, September 6 - 8, 2006, J.UCS (Journal of Universal Computer Science) Proceedings, Springer, pp. 26-34

• Yiwei Cao, Satish Srirama, Mohamed Chatti, Ralf Klamma

  Mobile Social Software for Cultural Heritage Management

  Published in R. Meersman, Z. Tari, P. Herrero et al. (eds.): Proc. of Workshop on Mobile and Networking Technologies for Social Applications (MONET), On the Move to Meaningful Internet Systems 2006: OTM 2006 Workshops, Montpellier, France, LNCS4277, Springer, 2006, pp. 955-964.

• Ralf Klamma, Marc Spaniol, Yiwei Cao

  Community Aware Content Adaptation for Mobile Technology Enhanced Learning

  Published in W. Nejdl, K. Tochtermann (Eds.): Innovative Approaches to Learning and Knowledge Sharing, Proceedings of the 1st European Conference on Technology Enhanced Learning (EC-TEL 2006), Hersonissou, Greece, October 1-3, LNCS 4227, Springer-Verlag, pp. 227-241

• Ralf Klamma, Marc Spaniol, Yiwei Cao, Matthias Jarke

  Pattern-Based Cross Media Social Network Analysis for Technology Enhanced Learning in Europe

  Published in W. Nejdl, K. Tochtermann (Eds.): Innovative Approaches to Learning and Knowledge Sharing, Proceedings of the 1st European Conference on Technology Enhanced Learning (EC-TEL 2006), Hersonissou, Greece, October 1-3, LNCS 4227, Springer-Verlag, pp.242-256

• Matthias Jarke, Ralf Klamma

  Social Software und Reflektive Informationssysteme

  Published in P. Loos/. H. Krcmar (Eds.): Architekturen und Prozesse. Strukturen und Dynamik in Forschung und Unternehmen. Berlin et al.: Springer 2006, pp. 51-62. ISBN-13 978-3-540-46847-9

• Marc Spaniol, Ralf Klamma, N. Sharda, Matthias Jarke

  Web-Based Learning with Non-linear Multimedia Stories

  Published in W. Liu, Q. Li, R. W. H. Lau (Eds.): Advances in Web-Based Learning, Proceedings of ICWL 2006, Penang, Malaysia, July 19-21, 2006, Springer-Verlag, Berlin Heidelberg, LNCS 4181, pp. 249-263.

2005

• Ralf Klamma, Marc Spaniol, Matthias Jarke

  MECCA: Hypermedia Capturing of Collaborative Scientific Discourses about Movies

  Published in informing science. The International Journal of an Emerging Discipline, Volume 8, 2005, N. Sharda (Ed.): Special Series on Issues in Informing Clients using Multimedia Communications, pp. 3-38

• Matthias Jarke, Ralf Klamma

  Transkriptivität als informatisches Designprinzip. Mediale Spuren in rechnergestützten Entwicklungsprozessen

  Published in G. Fehrmann, E. Linz, C. Epping-Jäger (eds.): Spuren Lektüren. Praktiken des Symbolischen, Festschrift für Ludwig Jäger zum 60. Geburtstag, München: Fink, 2005, 105-120.

• Ralf Klamma, Marc Spaniol, Matthias Jarke, Yiwei Cao, Michael Jansen, Georgios Toubekis

  A Hypermedia Afghan Sites and Monuments Database

  Published in Proceedings of the First International Workshop on Geographic Hypermedia "Geographic Hypermedia: Concepts & Systems", Denver, USA, April 4-5, 2005, pp. 59-73.

• Mohamed Chatti, Ralf Klamma, Christoph Quix, David Kensche

  LM-DTM: An Environment for XML-Based, LIP/PAPI-Compliant Deployment, Transformation and Matching of Learner Models

  Published in P. Goodyear, D.G. Sampson, D.J.-T. Yang, Kinshuk, T. Okamoto, R. Hartley, and N.-S. Chen (eds.): In Proceedings of the 5th International Conference on Advanced Learning Technologies (ICALT 2005), July 5-8, Kaohsiung, Taiwan, pp. 567-569

• Ralf Klamma, Marc Spaniol, Matthias Jarke, Yiwei Cao, Michael Jansen, Georgios Toubekis

  ACIS: Intergenerational Community Learning Supported by a Hypermedia Sites and Monuments Database

  Published in P. Goodyear, D.G. Sampson, D.J.-T. Yang, Kinshuk, T. Okamoto, R. Hartley, and N.-S. Chen (eds.): Proceedings of the 5th International Conference on Advanced Learning Technologies (ICALT 2005), July 5-8, Kaohsiung, Taiwan, 108-112

• Marc Spaniol, Ralf Klamma

  MEDINA: A Semi-Automatic Dublin Core to MPEG-7 Converter for Collaboration and Knowledge Management in Multimedia Repositories

  Published in K. Tochtermann, H. Maurer (Eds.): Proceedings of I-KNOW '05, 5th International Conference on Knowledge Management, Graz, Austria, June 29 - July 1, 2005, J.UCS (Journal of Universal Computer Science) Proceedings, Springer, pp. 136-144.

• Ralf Klamma, Marc Spaniol, Matthias Jarke

  "Do you know a similar project I can learn from?" Self-monitoring of Communities of Practice in the Cultural Sciences

  Published in He, X., Hintz, T., Piccardi, M., Wu, Q., Huang, M., and Tien, D. (Eds.): Proceedings of the Third International Conference on Information Technology and Applications ICITA'05, Sydney, Australia, July 4-7, 2005, Volume II, pp. 608-613.

• Marc Spaniol, Ralf Klamma, Thomas Waitz

  MECCA-learn: A Community Based Collaborative Course Management System for Media-rich Curricula in the Film Studies

  Published in Lau, R. W. H., Li, Q., Cheung, R. and Liu, W. (Eds.): Advances in Web-Based Learning, Proceedings of ICWL 2005, Hong Kong SAR, China, July 31 - August 3, 2005, Springer-Verlag, Berlin Heidelberg, LNCS 3583, pp. 131-143.

• L. Springer, T. Hupp, Ralf Klamma, Marc Spaniol

  Unterstützte Chat-Kommunikation für Menschen mit zentralorganischen Sprach- und Sprechstörungen (Aphasien und Dysarthrien)

  Published in J. Boenisch and K. Otto (Eds.): Leben im Dialog - Unterstützte Kommunikation über die gesamte Lebensspanne. Proceedings of ISAAC 2005, Loeper Literaturverlag, ISBN 3-86059-144-4, pp. 356-366, 2005

• M. Rohde, Ralf Klamma, Volker Wulf

  Establishing Communities of Practice among Students and Start-up Companies

  Published in T. Koschmann, D. Suthers & T. W. Chun (Eds.): Computer Supported Collaborative Learning 2005: The Next 10 Years!, Lawrence Erlbaum Associates, Mahwah, NJ, pp. 514-519

2004

• Ralf Klamma

  Multimediatechnologien für das Verbesserungsmanagement

  Published in atp - Automatisierungstechnische Praxis, 5/2004, 53-60

• Ralf Klamma, M. Rohde, Volker Wulf

  Making Sense of Communities of Practice at the University Level: Connecting Academia and Industries

  Published in Proceedings Multikonferenz Wirtschaftsinformatik (MKWI) 2004, Universität Duisburg-Essen, March 9-11, 2004, 324-335

• Christian Seeling, Marc Spaniol, Andreas Becks, Ralf Klamma

  Discourse Visualization Strategies for a Comprehensive Medial Analysis of Cultural Science Communities

  Published in K. Tochtermann, H. Maurer (Eds.): Proceedings of I-KNOW '04, 4th International Conference on Knowledge Management, Graz, Austria, June 30 - July 2, 2004, J.UCS (Journal of Universal Computer Science) Proceedings, Springer, pp. 337-344

• Marc Spaniol, L. Springer, Ralf Klamma, Matthias Jarke

  SOCRATES: Barrier Free Communities of Aphasics on the Internet

  Published in K. Miesenberger, J. Klaus, W. Zagler, et al. (Eds.): Proceedings of the 9th International Conference on Computer Helping People with Special Needs, ICCHP 2004, Paris, France, July 7-9, 2004, Springer-Verlag, Berlin Heidelberg, LNCS 3118, pp. 1024-1031

• Marc Spaniol, Ralf Klamma, L. Springer, Matthias Jarke

  Aphasics' Communities Learning on the Web

  Published in W. Liu, Y. Shi, Q. Li (Eds.): Advances in Web-Based Learning, Proceedings of ICWL 2004, Beijing, China, August 8-11, 2004, Springer-Verlag, Berlin Heidelberg, LNCS 3143, pp. 277-285

• L. Springer, Marc Spaniol, Ralf Klamma

  A Comparison of Oral, Written and Computer-Mediated-Text Production in Aphasics

  Published in Proceedings of the 26th World Congress of the International Association of Logopedics and Phoniatrics, IALP 2004, Brisbane, Australia, August 29 - September 2, 2004, pp. 1-5

• Marc Spaniol, Ralf Klamma

  Mediating Ontologies for Communities of Practice

  Published in D. Karagiannis, U. Reimer (Eds.): Practical Aspects of Knowledge Management, Proceedings of PAKM 2004, Vienna, Austria, December 2-3, 2004, Springer-Verlag, Berlin Heidelberg, LNAI 3336, pp. 330-342

• Ralf Klamma, Marc Spaniol

  Open Hypermedia Management for E-learning in the Humanities

  Published in Proceedings of ICALT 2004, Joensuu, Finland, August 30 - September 2, 2004, pp. 765-767.

2003

• Matthias Jarke, Ralf Klamma

  Wissensbasiertes Verbesserungsmanagement

  Published in wissensmanagement, Das Magazin für Führungskräfte, Heft Mai/Juni 4/2003, 22-24

• M. Rohde, Matthias Jarke, Ralf Klamma, Volker Wulf

  Praxisgemeinschaft als didaktische Konzeption: Neue Ansätze medienunterstützter Projektarbeit in der angewandten Informatik

  Published in i-com Zeitschrift für interaktive und kooperative Medien 3/2003, 36-45

• Ralf Klamma, Marc Spaniol, Matthias Jarke

  Digital media knowledge management with MPEG-7

  Published in The Twelfth International World Wide Web Conference, (WWW 2003), Poster Session, 20-24 May 2003, Budapest, Hungary

• Ralf Klamma

  Störungen in Organisationen - Lernen in einer turbulenten Umwelt

  Published in A. Kümmel, E. Schüttpelz (Hrsg.): Signale der Störung, Fink: München, 2003.

• Matthias Jarke, Ralf Klamma, J. Marock

  Gründerausbildung und Gründernetze im Umfeld technischer Hochschulen: ein wirtschaftsinformatischer Versuch

  Published in In K. Nathusius (Hrsg.): Zu den Wirkungen des regionalen Kontexts auf Unternehmensgründungen. EUL-Verlag, 2003, S. 115-154.

• Ralf Klamma, Marc Spaniol, Matthias Jarke

  Virtual Communities: Analysis and Design Support

  Published in In J. Eder, T. Welzer (eds.): CAiSE '03 Forum Information Systems for a Connected Society. Velden 2003, pp. 113-116.

• Ralf Klamma, Matthias Jarke, M. Rohde, Volker Wulf

  New Approaches to Media-Supported Project Work at the University Level

  Published in Proceedings of ICALT 2003, 3rd IEEE International Conference on Advanced Learning Technologies, July 9-11, Athens, Greece, 2003, 356-357

• Marc Spaniol, Ralf Klamma, Matthias Jarke

  ATLAS: A web-based software architecture for multimedia e-learning environments in virtual communities

  Published in W. Zhou, P. Nicholson, B. Corbitt, J. Fong (Eds.): Advances in Web-Based Learning, Proceedings of ICWL 2003, Melbourne, Australia, August 18-20, 2003, Springer-Verlag, Berlin Heidelberg, LNCS 2783, pp. 193-205

• Ralf Klamma, Marc Spaniol

  Supporting communication and knowledge creation in digitally networked communities in the humanities

  Published in ACM SIGGROUP Bulletin "Special issue on community-based learning: explorations into theoretical groundings, empirical findings and computer support", Volume 24, Issue 3, 2003, pp. 55-59.

• Ralf Klamma, M. Rohde, Volker Wulf

  Supporting communities of practice in applied computer science studies

  Published in ACM SIGGROUP Bulletin "Special issue on community-based learning: explorations into theoretical groundings, empirical findings and computer support", Volume 24, Issue 3, 2003, pp. 60-65

2002

• Ralf Klamma, V. Pipek, Volker Wulf

  Gemeinschaften und ihre technische Unterstützung, Vergleichende Buchbesprechung

  Published in WIRTSCHAFTSINFORMATIK 44 (2002) 5, S. 484-491

• Matthias Jarke, Ralf Klamma

  Metadata and Cooperative Knowledge Management

  Published in A. Banks Pidduck et al. (Eds.): Proc. 14th Intl. Conf. Advanced Information Systems Engineering (CAISE 2002), Toronto, Canada, LNCS 2348, pp. 4-20, Springer-Verlag, 2002

• Ralf Klamma, Matthias Jarke, E. Hollender, D. Börner-Klein

  Enabling Communities by Constructed Media: The Case of a Web-Based Study Environment for a Talmudic Tractate

  Published in J. Fong, C.T. Cheung, H.V. Leong, Q. Li (Eds.): Advances in Web-Based Learning, Proceedings of the First International Conference, ICWL 2002, Hong Kong, China, August 17-19, Springer-Verlag, Berlin Heidelberg, LNCS 2436, pp. 275 ff.

• Ralf Klamma, E. Hollender, Matthias Jarke, P. Moog, Volker Wulf

  Vigils in a Wilderness of Knowledge: Metadata in Learning Environments

  Published in Proceedings of IEEE International Conference on Advanced Learning Technologies (ICALT 2002), Kazan, Russia, September 9-12, 2002, IEEE Learning Techology Task Force, 2002, pp. 519-524

• Ralf Klamma

  Bootstrapping im Wissensmanagement - Organisationsgedächtnisbasierte Workflow-Systeme

  Published in S. Schubert, B. Reusch, N. Jesse (Hgg.): Informatik bewegt, Proceedings of Informatik 2002, Dortmund, Germany, 30. Sept. - 3. Okt., 2002, S. 729-732.

• Ralf Klamma, Matthias Jarke, Volker Wulf

  Das Virtual Entrepreneurship Lab (VEL): Eine MPEG-7 basierte E-Learning Plattform für potentielle Gründer

  Published in S. Schubert, B. Reusch, N. Jesse (Hgg.): Informatik bewegt, Proceedings of Informatik 2002, Dortmund, Germany, 30. Sept. - 3. Okt., 2002, S. 359-363.

• Marc Spaniol, Ralf Klamma, Matthias Jarke

  Semantic processing of multimedia data by MPEG-7 for capacious knowledge management

  Published in B. Grosky (Ed.): Proceedings of SOFSEM 2002 Workshop on Multimedia Semantics, Milovy, Czech Republic, November 27-28, pp. 56-65

• Marc Spaniol, Ralf Klamma, Matthias Jarke

  Data integration for multimedia e-learning environments with XML and MPEG-7

  Published in D. Karagiannis, U. Reimer (Eds.): Practical Aspects of Knowledge Management, Proceedings of PAKM 2002, Vienna, Austria, December 2-3, Springer-Verlag, Berlin Heidelberg, LNAI 2569, pp. 244-255

2001

• Ralf Klamma

  Organisationsgedächtnis

  Published in Nicolas Pethes, Jens Ruchatz (Hg.): Gedächtnis und Erinnerung. Ein interdisziplinäres Lexikon, Rowohlt, 2001.

• Ralf Klamma

  Künstliche Intelligenz

  Published in Nicolas Pethes, Jens Ruchatz (Hg.): Gedächtnis und Erinnerung. Ein interdisziplinäres Lexikon, Rowohlt, 2001.

• Ralf Klamma

  Speichern

  Published in Nicolas Pethes, Jens Ruchatz (Hg.): Gedächtnis und Erinnerung. Ein interdisziplinäres Lexikon, Rowohlt, 2001.

• Ralf Klamma

  Vernetztes Verbesserungsmanagement mit einem Unternehmensgedächtnis-Repository

  Published in Künstliche Intelligenz 4/01, S.53-55, 2001

• E. Hollender, Ralf Klamma, D. Börner-Klein, Matthias Jarke

  A Comprehensive Electronic Study Environment for a Talmudic Tractate

  Published in DS-NELL IV Nr.2, 2001, 219-245

• Andreas Becks, Ralf Klamma

  Kooperative Dokumentanalyse in einem interdisziplinären Forschungskolleg

  Published in H.-P. Schnurr, S. Staab, R. Studer, G. Stumme. Y. Sure (Hrsg.): Beiträge der 1. Konferenz "Professionelles Wissensmanagement - Erfahrungen und Visionen", Baden-Baden, 14.-16. März 2001, S.289-307

2000

• Ralf Klamma

  Vernetztes Verbesserungsmanagement mit einem Unternehmensgedächtnis-Repository

  Published in Dissertation, RWTH Aachen, 2000

• Ralf Klamma, Peter Peters, Matthias Jarke

  Vernetztes Verbesserungsmanagement

  Published in Wirtschaftsinformatik 42(1):15-26, 2000

• Ralf Klamma, S. Schlaphof

  Rapid Knowledge Deployment in an Organizational-Memory-Based Workflow Environment

  Published in Proceedings of the 8th European Conference on Information Systems (ECIS 2000), Vienna, Austria, 2000, pp. 364-371.

1999

• Klaus Pohl, Klaus Weidenhaupt, Ralf Dömges, Peter Haumer, Matthias Jarke, Ralf Klamma

  PRIME: Toward Process-Integrated Modeling Environments

  Published in ACM Transactions on Software Engineering and Methodology, Vol. 8, No. 4, 343-410, 1999.

• Ralf Klamma

  Nachhaltiges rechnerintegriertes Verbesserungsmanagement

  Published in Proceedings Doktorandenseminar WI'99, March 1999, pp. 45-51

• Ralf Klamma, Matthias Jarke

  Knowledge Management Cultures: A Comparison of Engineering and Cultural Science projects

  Published in ECSCW-Workshop XMWS'99, Beyond Knowledge Management: Managing Expertise, 13.9.99, Kopenhagen, Denmark

1998

• Matthias Jarke, Ralf Klamma

  Innovation durch rechnergestütztes Fehlermanagement: Ergebnisse des BMBF-Projektes FOQUS.

  Published in W.Hummeltenberg (eds.): Tagungsband Frühjahrstagung Wirtschaftsinformatik 1998 "Information Management for Business Intelligence and Excellence" Hamburg, Vieweg, Braunschweig, Wiesbaden, pp. 247-26, 1998

• Ralf Klamma, Matthias Jarke

  Driving the Organizational Learning Cycle: The Case of Computer-Aided Failure Management.

  Published in W.Baets (ed.): Proceedings of the 6th European Conference on Information Systems (ECIS'98), Aix-En-Provence, France, Euro-Arab Management School, Granada, 1998, pp. 378-392

• Ralf Klamma, Peter Peters, Matthias Jarke

  Workflow Support for Failure Management in Federated Organizations.

  Published in R.W.Blanning, D.R.King (eds.): Proceedings of the 31st Hawai'i Conference on System Sciences, IEEE Computer Society Press, Los Alamitos 1998, pp. 302-311

1997

• Ralf Klamma, Peter Peters, Matthias Jarke

  Workflow Support for Failure Management in Federated Organizations

  Published in Aachener Informatik Berichte, 97-11, 1997

• H. Förster, Ralf Klamma, P. Klonaris, F.-J. Stepprath, P. Schülke

  Validierung der Konzepte des Fehlermanagements

  Published in T.Pfeifer (ed.): Fehlermanagement mit objektorientiertenTechnologienin der qualitätsorientierten Produktion, Forschungszentrum KarlsruheTechnik und Umwelt, FZKA-PFT 183, 1997, pp. 169-189

• Matthias Jarke, Ralf Klamma

  Integration im verteilten Fehlermanagement

  Published in T.Pfeifer (ed.): Fehlermanagement mit objektorientiertenTechnologienin der qualitätsorientierten Produktion, Forschungszentrum KarlsruheTechnik und Umwelt, FZKA-PFT 183, 1997, pp. 135-168

• Ralf Klamma, Peter Peters, Matthias Jarke

  Eine Untersuchung der DV-Unterstützung von Informations- und Arbeitsflüssen im Qualitätsmanagement bei kleinen und mittelständischen Unternehmen der Fertigungsindustrie

  Published in EMISA-Fachgruppentreffen 1997, Workflow-Management-Systeme im Spannungsfeld einer Organisation, 8.-10. Oktober, TU Darmstadt, 1997, pp. 70-80

• Ralf Klamma, Matthias Jarke

  Supporting Organizational Learning Processes through Failure Management

  Published in Proceedings of the 7th International Workshop on InformationTechnologiesand Systems (WITS'97), Atlanta, Georgia, USA, 1997, pp. 66-71

• T. Pfeifer, R. Grob, P. Klonaris, G. Warnecke, H. Förster, P. Schülke, Matthias Jarke, Ralf Klamma, Peter Peters

  Industrielles Fehlermanagement mit objektorientierten Technologien

  Published in M.Jarke, K.Pasedach, K.Pohl (eds.): Tagungsband Informatik'97 -Informatik als Innovationsmotor, 22.-24. September 1997, pp. 516-518

1996

• Klaus Pohl, Ralf Klamma, Klaus Weidenhaupt, Ralf Dömges, Peter Haumer, Matthias Jarke

  A Framework for Process-Integrated Tools

  Published in Aachener Informatik-Bericht 96-13

1995

• Klaus Pohl, Ralf Dömges, Peter Haumer, Ralf Klamma, Klaus Weidenhaupt

  PRO-ART: Erfassung und Verwaltung von Anforderungshistorien GI-Fachgruppe 2.5.2 EMISA "Entwicklungsmethoden fuer Informationssysteme und deren Anwendung"

  Published in A. Oberweis (Hrsg.), Proceedings Fachgruppentreffen 1995, "Requirements Engineering für Informationssysteme", Universität Karlsruhe, 12.-13.10.1995