Currently

• Assistant Professor at the Computer Science Department of the University of Chile
  
• Associate Researcher at Yahoo! Labs Santiago

Studies

• PhD in Computer Science, U. Pompeu Fabra, Barcelona, Spain (Oct. 2009)
• MSc, CS Engineer and Bachelor in Computer Science, U. of Chile, Santiago, Chile (2005, 2004, 2001)

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Media Coverage of our Research

• Slate Magazine recently did an article on our research! Building a Better Truth Machine (Dec. 2012)
• Which generated large media coverage ([irevolution|marketplace|slate magazine|huffington post|slashdot|sciam podcast] )
• Article on The Wall Street Journal Decoding our Chatter covering our work on Twitter during the Chilean Earthquake, among other interesting studies (Oct. 1st, 2011).
• Interview in Terra TV on Social Networks (Aug. 2011) (in Spanish) [Video]
• Article on Scientific American There's Wisdom in Those Tweets: Social Science Data Emerges from the Twitterverse discussing our Social Networks research.
• Ars Technica's story: Accurate and credible news tweets? Automated system finds them on our WWW'2011 paper.
  

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Publications

Articles published by ACM/IEEE/Springer/Elsevier/Chapman and Hall are posted here following the standard policy of these publishers, this is, the papers can be downloaded from this page for personal use, but not posted in other web sites or mailing lists. Unless otherwise stated, this work is under a Creative Commons License.

Journal Papers

• C. Castillo, M. Mendoza, B. Poblete: Predicting Information Credibility in Time-Sensitive Social Media (+Supplementary Material). Accepted for publication in Internet Research, special issue on The Predictive Power of Social Media. [irevolution|marketplace|slate magazine|huffington post|slashdot|sciam podcast] [Spanish: 24h (Chile)|ABC (Spain)|Vanguardia (Mexico)]
• B. Poblete, M. Spiliopoulou, R. Baeza-Yates. Confidentiality Protection for Public Information in Query Logs. In ACM Transactions on the Web (TWEB), Volume 4,  Issue 3 (July 2010), Year of Publication: 2010. ISSN:1559-1131
• R. Baeza-Yates, B. Poblete: Dynamics of the Chilean Web Structure. In Computer Networks, vol. 50, issue 10, 14 July 2006, Pages 1464-1473. Special issue on Web Dynamics.

Book Chapters

• R. Baeza-Yates, R. Jones, B. Poblete, M. Spiliopoulou: Issues with Privacy Preservation in Query Log Mining. In the book Privacy-Aware Knowledge Discovery: Novel Applications and New Techniques, Editors: Francesco Bonchi, Yahoo! Research, Barcelona, Spain, Elena Ferrari, University of Insubria, Italy. Series: Chapman & Hall/CRC Data Mining and Knowledge Discovery Series. ISBN: 9781439803653, ISBN 10: 143980365X, Publication Date: November 22, 2010, Number of Pages: 544. Hardcover.
• B. Poblete, M. Spiliopoulou, R. Baeza-Yates: Website Privacy Preservation for Query Log Publishing. Proceedings of the First SIGKDD International Workshop on Privacy, Security, and Trust in KDD (PinKDD'07),  Lecture Notes in Computer Science, Volume 4890, Springer, 2008. 
  
• R. Baeza-Yates, B. Poblete: A Website Mining Model Centered on User Queries. In book: Semantics, Web and Mining, editors: B. Behrendt, M. Grobelnik, A. Hotho, D. Mladenic, G. Semeraro, M. van Someren, M. Spiliopoulou, G. Stumme, V. Svatek. Lecture Notes in Computer Science. Publisher: Springer Berlin / Heidelberg. 2006.

Conference & Workshop Papers

• Bravo-Márquez, F.; Gayo-Avello, D.; Mendoza, M.; Poblete, B. Opinion dynamics of elections in Twitter, 8th Latin American Web Congress, LA_WEB, Cartagena de Indias, Colombia, p.32--39, (2012)
• I. Bordino, D. Donato, B. Poblete: Extracting interesting association rules from toolbar data. In Proceedings of the 21st ACM international conference on Information and knowledge management 2012, Maui, HI, USA.
• Bracamonte, T., Poblete, B.: Automatic Image Tagging Through Information Propagation in a Query Log Graph Based Structure. In proceedings of ACM Multimedia 2011, Arizona, USA.
  
• B. Poblete, R. Garcia, M. Mendoza and A. Jaimes. Do All Birds Tweet the Same? Characterizing Twitter Around the World. In proceedings of CIKM'11. Glasgow,UK.
  
• Garcia, R., Poblete, P., Mendoza, M., Jaimes, A.: Microblogging without Borders: Differences and Similarities. In ACM WebSci, 11. Koblenz, Germany.
  
• Castillo, C., Mendoza, M., Poblete, B.: "Information Credibility on Twitter". In The World Wide Web Conference (WWW), Hyderabad, India. 2011.
• Poblete, B., Bustos, B., Mendoza, M., Barrios, J.M.: Visual-Semantic Graphs: Using Queries to Reduce the Semantic Gap in Web Image Retrieval. In CIKM 2010 (Toronto, Canada). ACM Press, New York, NY.
  
• Mendoza, M., Poblete, B., Castillo, C.: Twitter Under Crisis: Can we trust what we RT?. In SOMA 2010: KDD Workshop on Social Media Analytics, Washington, DC. July 2010. [bib]
• Mendoza, M., Marin, M., Ferrarotti, F., Poblete, B: Learning to Distribute Queries onto Web Search Nodes. In proceedings of the 32nd European Conference on Information Retrieval (Milton Keynes, UK). Springer LNCS.
  
• Poblete, B., Castillo, C., Gionis, A. 2008. Dr. Searcher and Mr. Browser: A Unified Hyperlink-Click Graph. In Proceedings of the  ACM 17th Conference on Information and Knowledge Management (Napa Valley, California, October 26-30, 2008). CIKM'08. ACM Press, New York, NY.
• Poblete, B., Baeza-Yates, R. 2008. Query-Sets: Using Implicit Feedback and Query Patterns to Organize Web Documents. In Proceedings of the 17th international Conference on World Wide Web (Beijing, China, April 21 - 25, 2008). WWW '08. ACM Press, New York, NY.
• Poblete, B., Spiliopoulou, M., Baeza-Yates, R.: Website Privacy Preservation for Query Log Publishing. First International Workshop on Privacy, Security, and Trust in KDD (PINKDD'07), San Jose, CA, USA. August 2007. Best Paper Award [watch the video]
• Poblete, B., Baeza-Yates, R. 2006. A Content and Structure Website Mining Model. Poster. In Proceedings of the 15th international Conference on World Wide Web (Edinburgh, Scotland, May 23 - 26, 2006). WWW '06. ACM Press, New York, NY, 957-958.
  
• Baeza-Yates, R., Poblete, B.: A Website Mining Model Centered on User Queries. European Web Mining Forum (EWMF 2005), pp. 3-15. Oporto, Portugal.
• Baeza-Yates, R., Poblete, B.: Dynamics of the Chilean Web Structure, New York, USA, May 2004.
• Baeza-Yates, R., Poblete, B.: Evolution of the Chilean Web Structure Composition. In Proceedings of the First Latin American Web Congress (LA-WEB 2003). 2003. IEEE CS Press.
• Baeza-Yates, R., Poblete, B.: Evolution of the Web Structure. In Proceedings of The Twelfth International World Wide Web Conference. Budapest, Hungary, 2003. Poster.
  

Ph.D. Thesis

• Poblete, B.: Query-Based Mining for the Web. Ph.D. in Computer Science from the University Pompeu Fabra, Barcelona, Spain. October 1st, 2009.
  

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Articles in Spanish and Catalan

Journal Papers 

• R. Baeza-Yates, B. Poblete: Un Modelo de Minería de Consultas para el Diseño del Contenido y la Estructura de un Sitio Web. Revista Iberoamericana de Inteligencia Artificial 2006. (In Spanish).

Conference & Workshop Papers

• D. Nettleton, B. Poblete. Técnicas Difusas y No-Difusas para el Clustering del Contenido de Páginas de un Sitio Web. XIII Congreso Español sobre Tecnologías y Lógica Fuzzy, Ciudad Real. 2006. (In Spanish).
  
• R. Baeza-Yates, B. Poblete: Una herramienta de minería de consultas para el diseño del contenido y la estructura de un sitio Web. III Taller de Minería de Datos y Aprendizaje (TAMIDA), pp. 39-48. September 2005 (In Spanish).
  
• G. Boleda, S. Bott, B. Poblete, C. Castillo, M.E. Fuenmayor, T. Badia, V. López. CuCWeb, un corpus del català construït a partir de la web. Congrés Societat del Coneixement. Barcelona, España, 2004. (In Catalan).
• Ricardo A. Baeza-Yates, Barbara Poblete, Felipe Saint-Jean: Evolución de la Web Chilena 2002-2003. JCC2003, Chillan. Chile. (In Spanish).

MSc. Thesis

• Barbara Poblete: Herramienta de Minería de Consultas para el Diseño del Contenido y la Estructura de un Sitio Web. MSc. Thesis. University of Chile. December 2004. (In Spanish).

Technical Reports

• R. Baeza-Yates, B. Poblete, F. Saint-Jean: Evolución de la Web Chilena 2001-2002. Center for Web Research, DCC, University of Chile, 2003. (In Spanish).
  

Last update: July 29, 2010.