bias collaborative filtering collaborative systems contact recommendation context diversity evaluation experimental methodology expermiental methodology false positive finance group recommendation hybrid recommendation information extraction information retrieval information retrieval models information retrieval theory knn link prediction metasearch metrics multi-armed bandits multimedia retrieval network management news retrieval nlp non-random missing data novelty performance prediction personalization popularity rank aggregation rank fusion recommendation recommender systems relation extraction semantic search semantics social networks web services
2012 |
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S. Vargas, P. Castells, D. Vallet.
Explicit Relevance Models in Intent-Oriented Information Retrieval Diversification.
35th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2012). Portland, OR, USA, August 2012, pp. 75-84. Slides |
| D. Vallet, P. Castells. Personalized Diversification of Search Results. 35th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2012). Portland, OR, USA, August 2012, pp. 841-850. |
2011 |
| D. Vallet, P. Castells. On Diversifying and Personalizing Web Search. 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2011). Beijing, China, July 2011, pp. 1157-1158. |
2008 |
| I. Cantador, M. Szomszor, H. Alani, M. Fernández, P. Castells. Enriching Ontological User Profiles with Tagging History for Multi-Domain Recommendations. 1st International Workshop on Collective Semantics: Collective Intelligence and the Semantic Web (CISWeb 2008), at the 5th European Semantic Web Conference (ESWC 2008). Tenerife, Spain, June 2008, pp. 5-19. |
| Ph. Mylonas, D. Vallet, P. Castells, M. Fernández, and Y. Avrithis. Personalized information retrieval based on context and ontological knowledge. Knowledge Engineering Review 23(1), special issue on Contexts and Ontologies, March 2008, pp. 73-100. |
| C. Dolbear, P. Hobson, D. Vallet, M. Fernández, I. Cantador, P. Castells. Personalised Multimedia Summaries. In Y. Kompatsiaris, P. Hobson (Eds.): Semantic Multimedia and Ontologies. Springer Verlag, March 2008, ISBN: 978-1-84800-075-9, pp. 165-184. |
| I. Cantador, M. Fernández, D. Vallet, P. Castells, J. Picault, M. Ribière. A Multi-Purpose Ontology-Based Approach for Personalised Content Filtering and Retrieval. In M. Wallace, M. Angelides, Ph. Mylonas (Eds.): Advances in Semantic Media Adaptation and Personalization. Springer Verlag Studies in Computational Intelligence, Vol. 93, February 2008, ISBN: 978-3-540-76359-8, pp. 25-52. |
2007 |
| D. Vallet, P. Castells, M. Fernández, P. Mylonas, Y. Avrithis. Personalized Content Retrieval in Context Using Ontological Knowledge. IEEE Transactions on Circuits and Systems for Video Technology 17(3), special issue on the convergence of knowledge engineering, semantics and signal processing in audiovisual information retrieval, March 2007, pp. 336-346. |
2006 |
| D. Vallet, I. Cantador, M. Fernández, P. Castells. A Multi-Purpose Ontology-Based Approach for Personalized Content Filtering and Retrieval. 1st International Workshop on Semantic Media Adaptation and Personalization (SMAP 2006). Athens, Greece, December 2006. |
| D. Vallet, M. Fernández, P. Castells, P. Mylonas, Y. Avrithis. A contextual personalization approach based on ontological knowledge. International Workshop on Context and Ontologies: Theory, Practice and Applications (C&O 2006) at the 17th European Conference on Artificial Intelligence (ECAI 2006). Riva del Garda, Italy, August 2006. |
| D. Vallet, M. Fernández, P. Castells, P. Mylonas, Y. Avrithis. Personalized Information Retrieval in Context. 3rd International Workshop on Modeling and Retrieval of Context (MRC 2006) at the 21st National Conference on Artificial Intelligence (AAAI 2006). Boston, MA, USA, July 2006. |
| A. Evans, M. Fernández, D. Vallet, P. Castells. Adaptive Multimedia Access: From User Needs to Semantic Personalisation. IEEE International Symposium on Circuits and Systems (ISCAS 2006). Kos, Greece, May 2006. |
2005 |
| P. Castells, M. Fernández, D. Vallet, P. Mylonas, Y. Avrithis. Self-Tuning Personalized Information Retrieval in an Ontology-Based Framework. 1st IFIP WG 2.12 & WG 12.4 International Workshop on Web Semantics (SWWS 2005). Springer Verlag Lecture Notes in Computer Science, Vol. 3762. Agia Napa, Cyprus, November 2005, ISSN: 3-540-29739-1, pp. 977-986. |
| D. Vallet, P. Mylonas, M. A. Corella, J. M. Fuentes, P. Castells, Y. Avrithis. A Semantically-Enhanced Personalization Framework for Knowledge-Driven Media Services. IADIS WWW/Internet 2005 Conference (ICWI 2005). Lisbon, Portugal, October 2005, pp. 11-18. |