Álvaro Barreiro

2025

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Towards Reliable Testing for Multiple Information Retrieval System Comparisons.
David Otero|Javier Parapar|Álvaro Barreiro
Advances in Information Retrieval - 47th European Conference on Information Retrieval, ECIR 2025, Lucca, Italy, April 6-10, 2025, Proceedings, Part II
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Limitations of Automatic Relevance Assessments with Large Language Models for Fair and Reliable Retrieval Evaluation.
David Otero|Javier Parapar|Álvaro Barreiro
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2023

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PsyProf: A Platform for Assisted Screening of Depression in Social Media.
Anxo Pérez|Paloma Piot-Perez-Abadin|Javier Parapar|Álvaro Barreiro
Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part III
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BDI-Sen: A Sentence Dataset for Clinical Symptoms of Depression.
Anxo Pérez|Javier Parapar|Álvaro Barreiro|Silvia Lopez-Larrosa
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

2020

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Using score distributions to compare statistical significance tests for information retrieval evaluation.
Javier Parapar|David E. Losada|Manuel A. Presedo Quindimil|Alvaro Barreiro
Journal of the Association for Information Science and Technology (JASIST) 2020 Volume 71 Issue 1
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Novel and Diverse Recommendations by Leveraging Linear Models with User and Item Embeddings.
Alfonso Landin|Javier Parapar|Álvaro Barreiro
Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part II

2019

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Efficient query-by-example spoken document retrieval combining phone multigram representation and dynamic time warping.
Paula Lopez-Otero|Javier Parapar|Alvaro Barreiro
Information Processing and Management 2019 Volume 56 Issue 1
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When to stop making relevance judgments? A study of stopping methods for building information retrieval test collections.
David E. Losada|Javier Parapar|Alvaro Barreiro
Journal of the Association for Information Science and Technology (JASIST) 2019 Volume 70 Issue 1
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PRIN: A Probabilistic Recommender with Item Priors and Neural Models.
Alfonso Landin|Daniel Valcarce|Javier Parapar|Álvaro Barreiro
Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part I

2018

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Cost-effective construction of Information Retrieval test collections.
David E. Losada|Javier Parapar|Alvaro Barreiro
Proceedings of the 5th Spanish Conference on Information Retrieval, CERI 2018, Zaragoza, Spain, June 26-27, 2018
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Term Association Measures for Memory-based Recommender Systems.
Eva Suárez-García|Alfonso Landin|Daniel Valcarce|Álvaro Barreiro
Proceedings of the 5th Spanish Conference on Information Retrieval, CERI 2018, Zaragoza, Spain, June 26-27, 2018
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Query Expansion as a Matrix Factorization Problem: Extended Abstract.
Daniel Valcarce|Javier Parapar|Álvaro Barreiro
Proceedings of the 5th Spanish Conference on Information Retrieval, CERI 2018, Zaragoza, Spain, June 26-27, 2018

2017

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Multi-armed bandits for adjudicating documents in pooling-based evaluation of information retrieval systems.
David E. Losada|Javier Parapar|Alvaro Barreiro
Information Processing and Management 2017 Volume 53 Issue 5
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Combining Top-N Recommenders with Metasearch Algorithms.
Daniel Valcarce|Javier Parapar|Álvaro Barreiro
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

2016

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Additive Smoothing for Relevance-Based Language Modelling of Recommender Systems.
Daniel Valcarce|Javier Parapar|Álvaro Barreiro
Proceedings of the 4th Spanish Conference on Information Retrieval, Granada, Spain, June 14-16, 2016
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Efficient Pseudo-Relevance Feedback Methods for Collaborative Filtering Recommendation.
Daniel Valcarce|Javier Parapar|Alvaro Barreiro
Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings
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Language Models for Collaborative Filtering Neighbourhoods.
Daniel Valcarce|Javier Parapar|Alvaro Barreiro
Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings

2015

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A Study of Smoothing Methods for Relevance-Based Language Modelling of Recommender Systems.
Daniel Valcarce|Javier Parapar|Alvaro Barreiro
Advances in Information Retrieval - 37th European Conference on IR Research, ECIR 2015, Vienna, Austria, March 29 - April 2, 2015. Proceedings

2013

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Relevance-based language modelling for recommender systems.
Javier Parapar|Alejandro Bellogín|Pablo Castells|Alvaro Barreiro
Information Processing and Management 2013 Volume 49 Issue 4

2012

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ECIR 2012: 34th european conference on information retrieval research.
Ricardo Baeza-Yates|Mari-Carmen Marcos|Arjen P. de Vries|Hugo Zaragoza|Berkant Barla Cambazoglu|Vanessa Murdock|Alvaro Barreiro|David E. Losada|Ronny Lempel|Fabrizio Silvestri|Mounia Lalmas
SIGIR Forum 2012 Volume 46 Issue 2
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An experimental study of constrained clustering effectiveness in presence of erroneous constraints.
M. Eduardo Ares|Javier Parapar|Alvaro Barreiro
Information Processing and Management 2012 Volume 48 Issue 3
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A Learning-Based Approach for the Identification of Sexual Predators in Chat Logs.
Javier Parapar|David E. Losada|Alvaro Barreiro
CLEF 2012 Evaluation Labs and Workshop, Online Working Notes, Rome, Italy, September 17-20, 2012
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Language Modelling of Constraints for Text Clustering.
Javier Parapar|Alvaro Barreiro
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

2011

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Promoting Divergent Terms in the Estimation of Relevance Models.
Javier Parapar|Alvaro Barreiro
Advances in Information Retrieval Theory - Third International Conference, ICTIR 2011, Bertinoro, Italy, September 12-14, 2011. Proceedings

2010

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Probabilistic static pruning of inverted files.
Roi Blanco|Alvaro Barreiro
ACM Transactions on Information Systems (TOIS) 2010 Volume 28 Issue 1
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Where to start filtering redundancy?: a cluster-based approach.
Ronald T. Fernández|Javier Parapar|David E. Losada|Alvaro Barreiro
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010
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Blog snippets: a comments-biased approach.
Javier Parapar|Jorge López-Castro|Alvaro Barreiro
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

2009

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Evaluation of Text Clustering Algorithms with N-Gram-Based Document Fingerprints.
Javier Parapar|Alvaro Barreiro
Advances in Information Retrieval, 31th European Conference on IR Research, ECIR 2009, Toulouse, France, April 6-9, 2009. Proceedings
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Revisiting N-Gram Based Models for Retrieval in Degraded Large Collections.
Javier Parapar|Ana Freire|Alvaro Barreiro
Advances in Information Retrieval, 31th European Conference on IR Research, ECIR 2009, Toulouse, France, April 6-9, 2009. Proceedings
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Avoiding Bias in Text Clustering Using Constrained K-means and May-Not-Links.
M. Eduardo Ares|Javier Parapar|Alvaro Barreiro
Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings
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Compression-based document length prior for language models.
Javier Parapar|David E. Losada|Alvaro Barreiro
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

2008

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Winnowing-based text clustering.
Javier Parapar|Alvaro Barreiro
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008
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Probabilistic Document Length Priors for Language Models.
Roi Blanco|Alvaro Barreiro
Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, March 30-April 3, 2008. Proceedings

2007

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Static Pruning of Terms in Inverted Files.
Roi Blanco|Alvaro Barreiro
Advances in Information Retrieval, 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007, Proceedings
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Overall Comparison at the Standard Levels of Recall of Multiple Retrieval Methods with the Friedman Test.
José M. Casanova|Manuel A. Presedo Quindimil|Alvaro Barreiro
Advances in Information Retrieval, 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007, Proceedings
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Boosting static pruning of inverted files.
Roi Blanco|Alvaro Barreiro
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

2006

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TSP and cluster-based solutions to the reassignment of document identifiers.
Roi Blanco|Alvaro Barreiro
Discover Computing 2006 Volume 9 Issue 4
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Sentence Retrieval with LSI and Topic Identification.
David Parapar|Alvaro Barreiro
Advances in Information Retrieval, 28th European Conference on IR Research, ECIR 2006, London, UK, April 10-12, 2006, Proceedings

2005

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Document Identifier Reassignment Through Dimensionality Reduction.
Roi Blanco|Alvaro Barreiro
Advances in Information Retrieval, 27th European Conference on IR Research, ECIR 2005, Santiago de Compostela, Spain, March 21-23, 2005, Proceedings
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Characterization of a simple case of the reassignment of document identifiers as a pattern sequencing problem.
Roi Blanco|Alvaro Barreiro
SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Salvador, Brazil, August 15-19, 2005

2004

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Negations and Document Length in Logical Retrieval.
David E. Losada|Alvaro Barreiro
String Processing and Information Retrieval, 11th International Conference, SPIRE 2004, Padova, Italy, October 5-8, 2004, Proceedings

2003

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Embedding Term Similarity and Inverse Document Frequency into a Logical Model of Information.
David E. Losada|Alvaro Barreiro
Journal of the Association for Information Science and Technology (JASIST) 2003 Volume 54 Issue 4
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Propositional Logic Representations for Documents and Queries: A Large-Scale Evaluation.
David E. Losada|Alvaro Barreiro
Advances in Information Retrieval, 25th European Conference on IR Research, ECIR 2003, Pisa, Italy, April 14-16, 2003, Proceedings

2001

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An Homogeneous Framework to Model Relevance Feedback.
David E. Losada|Alvaro Barreiro
SIGIR 2001: Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, September 9-13, 2001, New Orleans, Louisiana, USA

2000

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Implementing Document Ranking within a Logical Framework.
David E. Losada|Alvaro Barreiro
Seventh International Symposium on String Processing and Information Retrieval, SPIRE 2000, A Coruña, Spain, September 27-29, 2000

1999

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Using a Belief Revision Operator for Document Ranking in Extended Boolean Models.
David E. Losada|Alvaro Barreiro
SIGIR '99: Proceedings of the 22nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 15-19, 1999, Berkeley, CA, USA