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 learning to rank link prediction metasearch metrics multi-armed bandits multimedia retrieval network monitoring news retrieval nlp non-random missing data novelty performance prediction personalization popularity probabilistic models query aspect rank aggregation rank fusion recommender systems relation extraction semantic search semantics social networks thompson sampling web services
2019 |
| J. Sanz-Cruzado, P. Castells. Beyond Accuracy in Link Prediction. 3rd Workshop on Social Media for Personalization And Search (SoMePeAS 2019) at the 41st European Conference on Information Retrieval (ECIR 2019). Cologne, Germany, April 2019. |
2018 |
|
J. Sanz-Cruzado, P. Castells.
Enhancing Structural Diversity in Social Networks by Recommending Weak Ties.
12th ACM Conference on Recommender Systems (RecSys 2018). Vancouver, Canada, October 2018, pp. 233-241. Slides | Poster |
| J. Sanz-Cruzado, S. M. Pepa, P. Castells. Structural Novelty and Diversity in Link Prediction. 9th International Workshop on Modeling Social Media (MSM 2018) at The Web Conference (TheWebConf 2018). Lyon, France, April 2018. |
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, 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 |
|
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 |
2013 |
|
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 |
|
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. |
| 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). 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). 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. |