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Prof. Dr. M. Jarke
RWTH Aachen
Informatik 5
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Dr. Andreas Lorenz

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Contact Information

Address: Lehrstuhl Informatik 5
 6206, 2nd floor, building: E2
 Ahornstr. 55
 52056 Aachen
 DE

Dr. rer. nat. Andreas Lorenz has a diploma degree (2001) in Computer Science from the University of Kaiserslautern (Germany), and a doctoral degree (2010) in Computer Science from RWTH Aachen University (Germany). He has been working for the group "Mobile Knowledge" at the Fraunhofer Institute for Applied Information Technology (FIT) in Sankt Augustin (Germany) from 2002-2009. He worked as research associate in several national and international projects on mobile and nomadic information systems, user modelling and user-adaptive systems, electronic health monitoring applications and human-computer interaction in ambient computing environments. He was software engineer for distributed user modelling using CORBA in the EU-funded LISTEN-project (2002-2003), research associate in the EU-funded PROLEARN-NoE (2004), and research associate and software architect in the MICA-project funded by SAP (2005-2006). He was coordinator of the workpackage on user interface development and evaluation for mobile health monitoring for the elderly in the Fraunhofer-funded senSAVE-project (2005-2006), coordinator of the integration activities in the EU-funded InterMedia-NoE (2006-2009), and coordinator of the FIT-internal project PowerInteraction (2008).

He joined RWTH Aachen University as PostDoc in the research cluster "Ultra-High Speed Mobile Information and Communication" (UMIC) in spring 2010. He is continuing his research on techniques for human-computer interaction for user-controlled ambient computing environments. Powerful mobile computers and high speed wireless networking enable enhanced interaction with services in highly computerised environments. The use of the mobile phone as personal communicator and digital assistant has entirely changed the daily life and communication of mobile people. Andreas believes that mobile and handheld devices will also become mediators between the user and the networked computing technology embedded into the environment of the user.

Andreas has been an active member of the program committee of the International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI) since 2008. He was member of the program committee of the Workshop on Mobile Interaction with the Real World (MIRW) in 2008 and 2009, and member of the program committees of a workshop series on ubiquitous and decentralised user modelling (UbiqUM 2006+2008, UbiDeUM 2007, UMI 2008). Andreas was also external reviewer for the international conferences U-Media, Internet of Things, and Adaptive Hypermedia.

Current Research

  • Andreas co-chairs the International Workshop on Managing Health Information in Mobile Applications. The workshop is held in conjunction with the 12th International Conference on Mobile Data Management (MDM 2011), 6-9 June, 2011, Luleå, Sweden.

    Managing health information of mobile users, fi ltering, reasoning and application of data from mobile sources are crucial issues for the success of electronic healthcare applications. The workshop aims to develop technologies and mechanisms to support the integration, merging, evolution, and matching of complex data and data models to support the management of complex, integrated, distributed, and heterogeneous healthcare systems.

  • Andreas works on structural patterns for physical separation of user interface elements and applications.

    To fulfil the requirements of emerging trends in mobile interaction, common approaches for system design need adaptations and extensions. The realization of explicit user control in ambient or pervasive computing environments requires a physical distribution of input devices and technology embedded into the environment of the user. The paper describes the extension of logical separation in the Model-View-Controller approach to support the physical separation of user interface elements from the host of the application to control.

  • In the course of the HealthNet-project, Andreas and his colleagues submitted a paper on "Mobile Physiological State Monitoring of Runners" for review to the 5th International ICST Conference on Pervasive Computing Technologies for Healthcare.

    The paper describes an extendable and flexible system architecture and user interface design of a mobile application for a case study of physiological state monitoring of runners. The design of the system is based on interviews of sportspeople. From the interviews, four categories of use cases are derived: Managing the set of sensors attached to the body area network, monitoring the psychological state, sharing information with external entities, and archiving and post-processing. A body sensor network integrated into a textile shirt delivers the vital parameter values. The core of the system is a mobile application in which new sensors can be integrated in a plug&play fashion, and the user interface can be personalised to the individual information requirements of the mobile user.


Theses

Publications

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