adversarial search clustering collaborative filtering collaborative systems community detection content-based recommendation context diversity evaluation evaluation methodologies finance graph search group recommendation hybrid recommendation implicit feedback information extraction information retrieval information retrieval models metasearch metrics multimedia retrieval news retrieval nlp novelty P2P performance prediction personalization rank aggregation rank fusion recommender sistems recommender systems relation extraction semantic search semantics social networks time user profile web search web service discovery web services
2013 |
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S. Vargas, R. L. T. Santos, C. Macdonald, I. Ounis.
Selecting Effective Expansion Terms for Diversity.
10th International Conference in the RIAO series (OAIR 2013). Lisbon, Portugal, May 2013. Slides |
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S. Vargas, P. Castells.
Exploiting the Diversity of User Preferences for Recommendation.
10th International Conference in the RIAO series (OAIR 2013). Lisbon, Portugal, May 2013. Slides |
| A. Bellogín, I. Cantador, P. Castells. A Comparative Study of Heterogeneous Item Recommendations in Social Systems. Information Sciences 221(1), February 2013, pp. 142-169. |
2012 |
| 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. |
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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. Slides |
| S. Vargas, P. Castells, D. Vallet. On the Suitability of Intent Spaces for IR Diversification. International Workshop on Diversity in Document Retrieval (DDR 2012) at the 5th ACM International Conference on Web Search and Data Mining (WSDM 2012). Seattle, Washington, USA, February 2012. |
2011 |
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S. Vargas, P. Castells.
Rank and Relevance in Novelty and Diversity Metrics for Recommender Systems.
5th ACM Conference on Recommender Systems (RecSys 2011). Chicago, Illinois, October 2011, pp. 109-116. Slides |
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S. Vargas, P. Castells, D. Vallet.
Intent-Oriented Diversity in Recommender Systems.
34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2011), Poster Session. Beijing, China, July 2011, pp. 1211-1212. Poster |
| 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), Poster Session. Beijing, China, July 2011, pp. 1157-1158. |
| D. Vallet, M. Halvey, J. Jose, P. Castells. Applying Soft Links to Diversify Video Recommendations. 9th International Workshop on Content-Based Multimedia Indexing (CBMI 2011). Madrid, Spain, June 2011. |
| P. Castells, S. Vargas, J. Wang. Novelty and Diversity Metrics for Recommender Systems: Choice, Discovery and Relevance. International Workshop on Diversity in Document Retrieval (DDR 2011) at the 33rd European Conference on Information Retrieval (ECIR 2011). Dublin, Ireland, April 2011. |