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Informatik 5
Information Systems
Prof. Dr. M. Jarke
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Mining in Free and Open Source Software Repositories

One of the non-deniable success factors of FOSS projects presents a community established around it. The FOSS communities present dynamic ecologies: the participants are free to come and leave and have a potential to achieve different roles within their project. An appealing factor about FOSS analysis is that almost the whole project management takes place in Web resources. Additionally, the code and its evolution history are freely available for mining within revision control systems. The data collected over years and even decades within communities with up to hundred thousands of participants present a great unplugged pool for investigations.

Community Detection in FOSS Projects Bioperl und Biopython

Detection of communities and cross-project brokers in Bioperl and Biopython FOSS

Bioperl-Biopython Network

Community vs System

Bioperl developer network generated based on communication history within the project mailing lists (links) in comparison to the Bioperl developer network generated based on collaborative editing of the system components according to GIT-history (right).

Bioperl Social NetworkBioperl System-based Network

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Anna Hannemann, Kristjan Liiva, Ralf Klamma

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

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.

Anna Hannemann, Ralf Klamma

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

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

Anna Hannemann, Michael Hackstein, Ralf Klamma, Matthias Jarke

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

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