Publications

Ortega, F. Wikipedia: A quantitative analysis. PhD. Thesis. Escuela Técnica Superior de Ingeniería de Telecomunicación. Universidad Rey Juan Carlos. Fuenlabrada, Madrid. April 2009. (CC-BY-SA 3.0). PDF.

• Ortega, F., Rodríguez, J. El Potlatch digital: Wikipedia y el triunfo del procomún y el conocimiento compartido. Ediciones Cátedra, Serie Teorema Mayor. Madrid, September 2011. ISBN 9788437628837.
• Ortega, F. Procesos colaborativos a gran escala: Análisis cuantitativo de Wikipedia. In de Pablos, C. (Ed.) Oportunidades de Investigación en Innovación Abierta. Publicaciones Universidad Rey Juan Carlos/Dykinson, Madrid. May 2011. ISBN 978-84-9982-232-7.
• Ortega, F., González-Barahona, J.M., Robles, G. Quantitative Analysis of the Top Ten Wikipedias. Software and Data Technologies. Reprinted in Filipe, J., Shishkov, B., Helfert, M., Maciaszek, L.A. (Eds.). Second International Conference, ICSOFT/ENASE 2007, Barcelona, Spain, July 2007. Revised Selected Papers. Springer, 2008, ISBN 978-3-540-88654-9.

• Crowston, K., Jullien N. and Ortega, F. Sustainability of Open Collaborative Communities: Analyzing Recruitment Efficiency. Technology Information Management Review (TIM Review). January 2013, pp. 20-26. Online.
• Arazy, O., Ortega, F., Nov, O., Yeo, L. and Balila, A. Functional Roles and Career Paths in Wikipedia. Proceedings of the 2015 ACM Conference on Computer-Supported Cooperative Work and Social Computing (CSCW 2015). ACM, New York, NY, USA. PDF.
• Arazy, O., Nov, O. and Ortega, F. The [Wikipedia] World is Not Flat: On the Organizational Structure of Online Production Communities. 22nd European Conference on Information Systems (ECIS 2014). PDF.
• Crowston, K., Jullien N. and Ortega, F. Is Wikipedia Inefficient? Modelling Effort and Participation in Wikipedia. Proceedings of the 46th Hawaii Intl. Conference on System Sciences (HICSS-46). IEEE Computer Society 2013. IEEExplore SSRN Online.
• de Alfaro, L., Ortega, F. Measuring Wikipedia: A Hands-on Tutorial. Tutorial session, in Proceedings of International Symposium on Wikis (ACM WikiSym 2009). New York, ACM Press. ACM DL.
• Ortega, F., Izquierdo-Cortázar, D. Survival Analysis in open development projects. Proceedings of the 2009 ICSE Workshop on Emerging Trends in Free/Libre/Open Source Software Research and Development (FLOSS'09 Workshop at ICSE'09). IEEE Computer Society, 2009. IEEExplore.
• Ortega, F., Izquierdo-Cortázar, D., González-Barahona, J.M., Robles, G. On the Analysis of Contributions from Privileged Users in Virtual Open Communities. Proceedings of the 42nd Hawaii International Conference on System Sciences (HICSS-42). IEEE Computer Society 2009. IEEExplore Online.
• Ortega, F., González-Barahona, J.M., Robles, G. On the Inequality of Contributions to Wikipedia. Proceedings of the 41st Hawaii Interntational Conference on System Sciences (HICSS-41). IEEE Computer Society 2008. IEEExplore Preprint.
• Ortega, F., González-Barahona, J.M. Quantitative Analysis of the Wikipedia Community of Users. International Symposium on Wikis (ACM WikiSym 2007). New York, ACM Press. ACM DL Online.
• Ortega, F., González-Barahona, J.M., Robles, G. The Top-Ten Wikipedias: A Quantitative Analysis Using WikiXRay. Proceedings of the 3rd International Conference on Software and Data Technologies (ICSOFT 2007). INSTICC Press. Best Student Paper Award.
• Ortega, F., González-Barahona, J.M., Robles, G. (June 2007). In-depth Analysis of the Wikipedia Community. Poster in proceedings of the 11th International Conference of the International Society for Scientometrics and Informetrics (ISSI '07). Program.