action learning bias collaborative filtering collaborative systems contact recommendation context diversity evaluation 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 news retrieval nlp non-random missing data novelty performance prediction personalization popularity rank aggregation rank fusion recommender systems relation extraction semantic annotation semantic search semantics social networks time time-aware web search web services
2015 |
| P. Castells, N. J. Hurley, S. Vargas. Novelty and Diversity in Recommender Systems. In Francesco Ricci, Lior Rokach, Bracha Shapira (Eds.): Recommender Systems Handbook, 2nd edition. Springer, 2015, ISBN: 978-1-4899-7637-6, pp. 881-918. |
2014 |
|
S. Vargas, P. Castells.
Improving Sales Diversity by Recommending Users to Items.
8th ACM Conference on Recommender Systems (RecSys 2014). Foster City, CA, USA, October 2014, pp. 145-152. Slides | Poster |
|
S. Vargas, L. Baltrunas, A. Karatzoglou, P. Castells.
Coverage, Redundancy and Size-Awareness in Genre Diversity for Recommender Systems.
8th ACM Conference on Recommender Systems (RecSys 2014). Foster City, CA, USA, October 2014, pp. 209-216. Slides | Poster |
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 |
|
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 |
2012 |
|
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 |
| 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 |
|
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 |
|
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 |
| 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. |