Publications

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 

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2020

J. Sanz-Cruzado, P. Castells, C. Macdonald, I. Ounis. Effective Contact Recommendation in Social Networks by Adaptation of Information Retrieval Models. Information Processing & Management 57(5), September 2020.

(BibTeX | Tags: recommender systems, information retrieval models, social networks, contact recommendation, learning to rank)

2019

J. Sanz-Cruzado, P. Castells. Information Retrieval Models for Contact Recommendation in Social Networks. 41st European Conference on Information Retrieval (ECIR 2019), Springer Verlag Lecture Notes in Computer Science, Vol. 11437. Cologne, Germany, April 2019, ISBN: 978-3-030-15711-1, pp. 148-163.
Slides

(BibTeX | Tags: recommender systems, information retrieval models, social networks, information retrieval, contact recommendation)

2013

A. Bellogín, J. Wang, P. Castells. Bridging Memory-Based Collaborative Filtering and Text Retrieval. Information Retrieval 16(6), December 2013, pp. 697-724.

(BibTeX | Tags: recommender systems, collaborative filtering, information retrieval models, information retrieval)
A. Bellogín, J. Parapar, P. Castells. Probabilistic Collaborative Filtering with Negative Cross Entropy. 7th ACM Conference on Recommender Systems (RecSys 2013). Hong Kong, China, October 2013, pp. 387-390.

(BibTeX | Tags: recommender systems, collaborative filtering, information retrieval models, information retrieval)
J. Parapar, A. Bellogín, P. Castells, A. Barreiro. Relevance-Based Language Modelling for Recommender Systems. Information Processing & Management 49(4), July 2013.

(BibTeX | Tags: recommender systems, collaborative filtering, information retrieval models, information retrieval)

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

(BibTeX | Tags: diversity, information retrieval models, personalization, information retrieval)
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.

(BibTeX | Tags: diversity, information retrieval models, personalization, information retrieval)

2011

A. Bellogín, J. Wang, P. Castells. Structured Collaborative Filtering. 20th ACM International Conference on Information and Knowledge Management (CIKM 2011). Glasgow, UK, October 2011, pp. 2257-2260.

(BibTeX | Tags: recommender systems, collaborative filtering, information retrieval models, information retrieval)
A. Bellogín, J. Wang, P. Castells. Text Retrieval Methods for Item Ranking in Collaborative Filtering. 33rd European Conference on Information Retrieval (ECIR 2011), Springer Verlag Lecture Notes in Computer Science, Vol. 6611. Dublin, Ireland, April 2011, ISBN: 978-3642201608, pp. 301-306.

(BibTeX | Tags: collaborative filtering, information retrieval models, information retrieval)

2008

I. Cantador, M. Fernández, D. Vallet, P. Castells, J. Picault, M. Ribière. A Multi-Purpose Ontology-Based Approach for Personalised Content Filtering and Retrieval. In M. Wallace, M. Angelides, Ph. Mylonas (Eds.): Advances in Semantic Media Adaptation and Personalization. Springer Verlag Studies in Computational Intelligence, Vol. 93, February 2008, ISBN: 978-3-540-76359-8, pp. 25-52.

(BibTeX | Tags: information retrieval models, personalization, information retrieval, semantics)

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