Publications

Thesis
Robles, Gregorio. Empirical Software Engineering Research on Libre Software: Data Sources, Methodologies and Results In Departamento de Informática, Estadística y Telemática. Vol. Doctor europeus of Philosophy in Computer Science. Móstoles, Spain: Universidad Rey Juan Carlos, 2006. Abstract
Herraiz, Israel. A statistical examination of the evolution and properties of libre software In Departamento de Sistemas Telemáticos y Computación (GSyC). Vol. Doctor europeus of Philosophy in Computer Science. Móstoles, Spain: Universidad Rey Juan Carlos, 2008. Abstract
Ortega, Felipe. Wikipedia: A quantitative analysis In Departamento de Sistemas Telemáticos y Computación (GSyC). Vol. Doctor of Philosophy in Computer Science. Móstoles, Spain: Universidad Rey Juan Carlos, 2009. Abstract
Report
Gonzalez-Barahona, Jesus M., and Gregorio Robles. Unmounting the "code gods" assumption. Móstoles, Spain: Grupo de Sistemas y Comunicaciones (GSyC), Universidad Rey Juan Carlos, 2003. Abstract
Journal Article
Gonzalez-Barahona, Jesus M., and Gregorio Robles. "Free Software Engineering: A Field to Explore." UPGRADE - The European Journal for the Informatics Professional IV, no. 4 (2003): 49-54. Abstract
Herraiz, Israel, Juan Jose Amor, and Alvaro del Castillo. "Libre Software for Research." UPGRADE - The European Journal for the Informatics Professional VIII, no. 6 (2007): 22-26. Abstract
Herraiz, Israel, Rafael Rodriguez-Galvan, and Manuel Palomo-Duarte. "The Need for Libre Software Research in Europe." UPGRADE - The European Journal for the Informatics Professional VIII, no. 6 (2007): 5-7. Abstract
Gonzalez-Barahona, Jesus M., Megan Squire, and Daniel Izquierdo-Cortazar. "Repositories with Public Data about Software Development." International Journal of Open Source Software and Processes (IJOSSP) 2, no. 2 (2010): 1-13. Abstract
Conference Paper
Capiluppi, Andrea, Jesus M. Gonzalez-Barahona, Israel Herraiz, and Gregorio Robles. "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. Abstract
Lopez-Fernandez, Luis, Gregorio Robles, and Jesus M. Gonzalez-Barahona. "Applying Social Network Analysis to the Information in CVS Repositories." In 1st International Workshop on Mining Software Repositories (MSR), 101-105. Edinburgh, Scotland, UK: IET, 2004. Abstract
Gonzalez-Barahona, Jesus M., Luis Lopez-Fernandez, and Gregorio Robles. "Community Structure of Modules in the Apache Project." In 4th Workshop on Open Source Software Engineering, 43-47. Edinburgh, Scotland, UK, 2004. Abstract
Herraiz, Israel, Gregorio Robles, Jesus M. Gonzalez-Barahona, Andrea Capiluppi, and Juan F. Ramil. "Comparison between SLOCs and Number of Files as Size Metrics for Software Evolution Analysis." In 10th European Conference on Software Maintenance and Reengineering (CSMR), 206-213. Bari, Italy: IEEE Computer Society, 2006. Abstract
Herraiz, Israel, Jesus M. Gonzalez-Barahona, and Gregorio Robles. "Determinism and Evolution." In 5th International Working Conference on Mining Software Repositories (MSR), 1-10. Leipzig, Germany: ACM, 2008. Abstract
Robles, Gregorio, and Jesus M. Gonzalez-Barahona. "Developer Identification Methods for Integrated Data from Various Sources." In 2nd International Workshop on Mining Software Repositories (MSR), 106-110. St. Louis, Missouri, USA: ACM, 2005. Abstract
Robles, Gregorio, Jesus M. Gonzalez-Barahona, and Israel Herraiz. "An Empirical Approach to Software Archaeology." In 21st IEEE International Conference on Software Maintenance (ICSM), 47-50. Budapest (Hungary): IEEE Computer Society, 2005. Abstract
Robles, Gregorio, Juan Jose Amor, Jesus M. Gonzalez-Barahona, and Israel Herraiz. "Evolution and Growth in Large Libre Software Projects." In 8th International Workshop on Principles of Software Evolution (IWPSE), 165-174. Lisbon, Portugal: IEEE Computer Society, 2005. Abstract
Robles, Gregorio, Jesus M. Gonzalez-Barahona, and Israel Herraiz. "Evolution of the Core Team of Developers in Libre Software Projects." In 6th IEEE International Working Conference on Mining Software Repositories (MSR), 167-170. Vancouver, Canada, 2009. Abstract
Robles, Gregorio, Jesus M. Gonzalez-Barahona, and Martin Michlmayr. "Evolution of Volunteer Participation in Libre Software Projects: Evidence from Debian." In 1st International Conference on Open Source Systems (OSS), 100-107. Genoa, Italy: ECIG Edizioni Culturali Intrenazionali Genova, 2005. Abstract