Relationship between Orphaning and Productivity in Evolution and GIMP." In 7th BElgian-NEtherlands software eVOLution workshop (BENEVOL 2008). Eindhoven, The Netherlands: Eindhoven University of Technology, 2008."
Relationship between size, eﬀort, duration and number of contributors in large ﬂoss projects." In 7th BElgian-NEtherlands software eVOLution workshop (BENEVOL 2008). Eindhoven, The Netherlands : Eindhoven University of Technology, 2008."
Software Evolution and Human Resources: Knowledge Gap left by Developers due to Turnover." In 6th International Conference on Open Source Systems: Doctoral Consortium (OSS 2010). Notre Dame, Indiana: Universitas (Unie van 1991), 2010."
Challenges in Software Evolution: The Libre Software Perspective." In Challenges in Software Evolution Workshop (ChaSE). Bern, Switzerland, 2005."
Self-Organized Development in Libre Software: a Model based on the Stigmergy Concept." In 6th International Workshop on Software Process Simulation and Modeling (ProSim 2005). St.Louis, Missouri, USA, 2005."
Research Friendly Software Repositories." In Joint International Workshop on Principles of Software Evolution and ERCIM Workshop on Software Evolution (IWPSE-EVOL), 19-23. Amsterdam, The Netherlands: ACM, 2009."
A Statistical Examination of the Evolution and Properties of Libre Software." In 25th IEEE International Conference on Software Maintenance (ICSM), 439-442. Edmonton, Canada: IEEE Computer Society, 2009."
Managing Libre Software Distributions under a Product Line Approach." In 32nd Annual IEEE International Computer Software and Applications Conference (COMPSAC), 1221-1225. Turku, Finland: IEEE Computer Society, 2008."
Determinism and Evolution." In 5th International Working Conference on Mining Software Repositories (MSR), 1-10. Leipzig, Germany: ACM, 2008."
Adapting the "Staged Model for Software Evolution" to Free/Libre/Open Source Software." In 9th International Workshop on Principles of software evolution (IWPSE), 79-82. Dubrovnick, Croatia: ACM, 2007."