* From Work to Word, How Do Software Developers Describe Their Work
Walid Maalej, Hans-Joerg Happel
In Proceedings of the 6th IEEE Working Conference on Mining Software Repositories. IEEE Computer Society 2009, 16-17 May 2009, Vancouver, Canada

  Towards Access Control-Aware P2P Data Management Systems
Rammohan N., Zoltan M., Karl A.
Presented at the 2nd Intl. Workshop on Data Management in Peer-to-peer Systems (of EDBT/ICDT conferences),22nd March 2009, Saint-Petersburg, Russia

* A Lightweight Approach for Knowledge Sharing in Distributed Software Teams
Walid Maalej, Hans-Joerg Happel
In proceedings of 7th international Conference on Practical Aspects of Knowledge Management, LNCS Springer, 2008 (to appear)

* Potentials and Challenges of Recommendation Systems for Software Development
Hans-Joerg Happel, Walid Maalej
In proceedings of RSSE'08 Recommendation Systems for Software Engineering, IEEE Computer Society (to appear)