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 |
| 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. |
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 |
| 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. |