Author profiles

Below you can find a list of my research publications.

You can also check my author profile on Google Scholar, DBLP or ResearchGate.

PhD. Thesis

Books & book chapters

  • Ortega, F. Evolution of teams in FLOSS. In Lydia Pintscher (Ed.) Open Advice. (CC-BY-SA 3.0) ISBN: 978-1-105-51493-7. Book’s website.
  • 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.
  • González-Barahona, J.M., del Castillo A.,Ortega, F., Gato, J. et al. Open Source Software for the Development of the Spanish Public Administration: A Global View. National Center of Reference for the Application of Information and Communication Technologies based on Open Source (CENATIC). Madrid, Spain. ISBN 978-84-691-5722-0. English version.
  • Reinoso, A.J., Ortega, F., García-Manso, A. Fundamentals of UNIX/LINUX Operating Systems Programming. Ed. Bellisco. Madrid, Spain. ISBN 84-85198-95-6.

Journals

  • Alfaro, C., Cano-Montero, J., Gómez, J., Moguerza, J. M. and Ortega, F. A multi-stage method for content classification and opinion mining on weblog comments. Annals of Operational Research, pp. 1-17, Sept. 2013. ISSN: 1572-9338 Springer Link.
  • González-Barahona, J.M., Robles, G., Herraiz, I. and Ortega, F. Studying the laws of software evolution in a long-lived FLOSS project. Journal of Software: Evolution and Process. ISSN: 2047-7481. Oct. 2013. Wiley Online Library.
  • 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.
  • Ortega, F. Wikipedia ante el reto del conocimiento abierto. Bit, (180), 81-83. 2010. Online (in Spanish).
  • Ortega, F. Wikipedia: Un análisis cuantitativo. Linux Magazine. Jul. 2009. ISSN: 1699-2237. Online.

Peer-reviewed conferences

2011-2015

  • 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. Online.
  • 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). Online.
  • Ortega, F., Moguerza, J. M. and Cano, E. L. Combining R and Python for scientific computing. The R User Conference (useR! 2013), Albacete, Spain. July 2013. Online.
  • Cano, E. L., Ayuso, A. A., Moguerza, J. M. and Ortega, F. An integrated Solver Manager: using R and Python for energy systems optimization. The R User Conference (useR! 2013), Albacete, Spain. July 2013. Slides.
  • Cano, E. L., Ayuso, A. A., Moguerza, J. M. and Ortega, F. A Solver Manager for energy systems planning within a Stochastic Optimization Framework. Computational Management Science Conference (CMS 13), Montreal, Canada. May 2013. Slides.
  • 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.
  • Reinoso, A. J., Muñoz-Mansilla, R., Herráiz, I, Ortega, F. Characterization of the Wikipedia Traffic. Proceedings of the 7th International Conference on Internet and Web Applications and Services (ICIW 2012), Stuttgart, Germany. IARIA. (In press). Online.
  • Ortega, F. and Forte, A. Proceedings of the 7th International Symposium on Wikis and Open Collaboration (ACM WikiSym 2011), Mountain View (CA), USA. ACM Press. ACM DL.
  • Stojanovic, L., Ortega F., Cañas, L. and Dueñas, S. ALERT: Active Support and Real-Time Coordination Based on Event Processing in Open Source Software Development. Proceedings of the 15th European Conference on Software Maintenance and Reengineering (CSMR 2011). Oldenburg, Germany. pp. 359-362. IEEExplore.

2007-2010

  • Reinoso, A. J., Ortega, F., González-Barahona, J.M., Herráiz, I. A Statistical Approach to the Impact of Featured Articles in Wikipedia. Proceedings of the International Conference on Knowledge Engineering and Ontology Development (KEOD 2010), Valencia, Spain, October 25-28, 2010. pp. 420-423. Online.
  • Ayers, P., Ortega, F. Proceedings of the 6th International Symposium on Wikis and Open Collaboration (ACM WikiSym 2010). Gdansk, Poland. ACM Press. ACM DL.
  • 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.
  • Reinoso, A.J., González-Barahona, J.M., Robles, G., Ortega, F.A Quantitative Approach to the use of the Wikipedia. Proceedings of the IEEE Symposium on Computers and Communications (ISCC ’09). IEEE 2009. IEEExplore. ResearchGate.
  • 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., Lafuente, I., Gato, J., González-Barahona, J.M. Libre Software in Spanish Public Administrations. International Conference on Open Source Systems (OSS ’09). Proceedings IFIP 299 Springer 2009. Online.
  • Izquierdo-Cortázar, D., Ortega, F., González-Barahona, J.M., Robles, G. Using Software Archeology to Measure Knowledge Loss in Software Projects Due to Developer Turnover. Proceedings of the 42nd Hawaii Intl. Conference on System Sciences (HICSS-42). IEEE Computer Society 2009. IEEExplore. Online.
  • Ortega, F., Reagle, J., Reinoso, A. J., Jesus, R. Workshop on interdisciplinary research on Wikipedia and wiki communities. Proceedings of International Symposium on Wikis (ACM WikiSym 2008). New York, ACM Press. ACM DL.
  • Reinoso, A.J., González-Barahona, J.M., Ortega, F., Robles, G. Quantitative Analysis and Characterization of Wikipedia Requests. Poster in Proceedings of International Symposium on Wikis (ACM WikiSym 2008). New York, ACM Press. ACM DL.
  • 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.

Working papers

  • Felipe Ortega, Gregorio Convertino, Massimo Zancanaro, Tiziano Piccardi. Assessing the Performance of Question-and-Answer Communities Using Survival Analysis. CoRR abs/1407.5903 (2014). arXiv.org.
  • Maria Sefidari, Felipe Ortega. Evaluating arbitration and conflict resolution mechanisms in the Spanish Wikipedia. CoRR abs/1412.3695 (2014). arXiv.org.