artificial intelligence collaborative filtering collaborative systems context diversity evaluation finance group recommendation hybrid recommendation information extraction information retrieval information retrieval models knn machine learning metasearch metrics multimedia retrieval network monitoring news retrieval nlp novelty performance prediction personalization popularity rank aggregation rank fusion recommendation recommender systems regular expressions relation extraction relevance feedback semantic search semantics social networks time time features time-aware video recommendation web search web services
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.
|A. Bellogín, P. Castells, I. Cantador. Precision-Based Evaluation of Recommender Systems: An Algorithmic Comparison. 5th ACM Conference on Recommender Systems (RecSys 2011). Chicago, Illinois, October 2011, pp. 333-336.|
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.
|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.|