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Publications

Roi Blanco, Alvaro Barreiro. Probabilistic static pruning of inverted files, ACM Transactions on Information Systems, vol 28(1), 1-33, 2010.
Renato de Freitas Bulcão-Neto, José Antonio Camacho-Guerrero, Álvaro Barreiro, Javier Parapar, Alessandra Alaniz Macedo. An Automatic Linking Service of Document Images Reducing the Effects of OCR Errors with Latent Semantics. Accepted for publication in 25th ACM Symposium On Applied Computing, ACM SAC 2010, Switzerland, March 22-26 2010. The original publication will be avaliable at ACM Portal.

M. Eduardo Ares, Javier Parapar, Alvaro Barreiro. Avoiding Bias in Text Clustering Using Constrained K-means and May-Not-Links, Proceedings of the 2nd International Conference on the Theory of Information Retrieval ICTIR 2009, Cambridge, UK, Lecture Notes in Computer Science, pp. 322-329, 2009. The original publication is avaliable at SpringerLink.
Javier Parapar, David E. Losada, Alvaro Barreiro. Compression-based document length prior for language models, Proceedings of the 32nd ACM International Conference on Research and Development in Information Retrieval SIGIR'09, pp. 652-653, Boston, July 19-23 2009.The original publication is avaliable at ACM Portal.
Javier Parapar, Álvaro Barreiro. Evaluation of text clustering algorithms with n-gram-based document fingerprints, Proceedings of the 31st European Conference on Information Retrieval Research ECIR 2009, Toulouse, France, April 2009, Lecture Notes in Computer Science vol. 5478, pp. 645-653, 2009.The original publication is avaliable at www.springerlink.com
Javier Parapar, Ana Freire, Álvaro Barreiro. Revisiting n-gram based models for retrieval in degraded large collections, Proceedings of the 31st European Conference on Information Retrieval Research ECIR 2009, Toulouse, France, April 2009, Lecture Notes in Computer Science vol. 5478, pp. 680-684, 2009.The original publication is avaliable at www.springerlink.com
Raúl Ramos, Álvaro Barreiro. Enabling the Grid for experiments in distributed information retrieval, Proceedings of the first EELA-2 Conference, CIEMAT pubs, pp. 21-30, Bogotá, Colombia, February 2009.
David Lojo, David E. Losada, Álvaro Barreiro. CIE-9-MC code classification with knn and SVM, Proceedings of IWINAC 2009 Part II, Lecture Notes in Computer Science 5602, pp. 499-508, Santiago, June 2009. The original publication is avaliable at www.springerlink.com
M. Eduardo Ares, Álvaro Barreiro. Using a rank fusion technique to improve shot boundary detection effectiveness, Proceedings of the twelve International Conference on Computer Aided System Theory, EUROCAST 2009, Lecture Notes in Computer Science 5717, pp. 247-254, Las Palmas de Gran Canaria, February 2009.The original publication is avaliable at www.springerlink.com

Javier Parapar, Alvaro Barreiro. Winnowing-based text clustering, Proceedings of 17th ACM Conference on Information and Knowledge Management CIKM 2008, pp. 1353-1354, Napa Valley, California, October 2008.The original publication is avaliable at ACM Portal.
Roi Blanco, Alvaro Barreiro. Probabilistic documents length priors for language models. Proceedings 30th European Conference on Information Retrieval Research ECIR2008, Glasgow, UK, April 2008, Lecture Notes in Computer Science, Vol: 4956, pp. 394-405 The original publication is avaliable at www.springerlink.com
Javier Papapar, Álvaro Barreiro. The Information Retrieval Lab at the University of A Coruña BCS-IRSG Informer, Vol 25, pp. 5- 7, ISSN: 0950-4974 .

Javier Parapar, Álvaro Barreiro. An Effective and Efficient Web News Extraction Technique for an Operational NewsIR System. XIII Conferencia de la Asociación Española para la Inteligencia Artificial CAEPIA - TTIA 2007. Actas Vol II, pp. 319-328, Salamanca, Spain. 12-16 November 2007.
Javier Parapar, Álvaro Barreiro. NowOnWeb: A NewsIR System. Presented in XXIII Congreso de la Sociedad Española de Procesamiento del Lenguaje Natural, SEPLN 2007. Sevilla, Spain, 10-12 September 2007. Published in Revista del Procesamiento de Lenguaje Natural Vol 39, pp. 287-288, ISSN: 1135-5948.
Roi Blanco, Alvaro Barreiro. Boosting static pruning of inverted files. Poster session of the 28th ACM International Conference on Research and Development in Information Retrieval SIGIR 2007. Amsterdam, The Netherlands, July 23-27, 2007
Roi Blanco, Alvaro Barreiro. Static pruning of terms in inverted files. Proceedings 29th European Conference on Information Retrieval Research ECIR2007, Rome, Italy, April 2007, Lecture Notes in Computer Science, Vol: 4425, pp. 64-75 The original publication is avaliable at www.springerlink.com
José M. Casanova, Manuel A. Presedo-Quindimil, Alvaro Barreiro. Overall comparison at standard levels of recall of multiple retrieval methods with the Friedman test. Proceedings 29th European Conference on Information Retrieval Research ECIR2007, Rome, Italy, April 2007, Lecture Notes in Computer Science, Vol: 4425, pp. 683-685 The original publication is avaliable at www.springerlink.com
Javier Parapar, José M. Casanova, Álvaro Barreiro. Now On Web: News Search and Summarization.EUROCAST 2007. Full paper, Lecture Notes in Computer Science LNCS Vol.4739 pp. 225-232 ISBN: 978-3-540-75866-2. Las Palmas de Gran Canaria, Spain, February 12-16, 2007. Extended Abstract, EUROCAST 2007 Extended Abstracts, pp. 79-80 ISBN: 978-84-690-3603-7.

D. Parapar, A. Barreiro. Addendum to our ECIR 2006 paper: Results with the TREC 2004 Novelty Track dataset
D. Parapar, A. Barreiro. Sentence retrieval with LSI and topic identification, Proceedings 28th European Conference on Information Retrieval Research ECIR2006, London UK, April 10-12 2006, LNCS 3936, pp. 119-130. The original publication is avaliable at www.springerlink.com
R. Blanco, A. Barreiro. TSP and cluster-based solutions to the reassignment of document identifiers, Information Retrieval, 9(4), 499-517, September 2006. The original publication is avaliable at www.springerlink.com
D. Losada, A. Barreiro. Negations and document length in logical retrieval (extended version), Information Systems Vol. 31(7), pp 610-620 November 2006. The original publication is avaliable at www.ScienceDirect.com

R. Blanco, A. Barreiro. Characterization of a simple case of the reassignment of document identifiers as a pattern sequencing problem, Poster session of the 28th ACM International Conference on Research and Development in Information Retrieval, Proceedings of ACM-SIGIR'2005, pp. 587-588, Salvador, Brasil, August 2005. ACM definitive version
R. Blanco, A. Barreiro. Document identifier reassignment through dimensionality reduction, Proceedings of the 27th European Conference on Information Retrieval Research ECIR2005, Santiago, Spain, March 2005, Lecture Notes in Computer Science 3408, pp. 375-387, 2005.
D. Parapar, A. Barreiro, D.E. Losada. Query expansion using Wordnet with a logical model of Information Retrieval , Proceedings of the IADIS International Conference on Applied Computing 2005, vol. I pp. 487-494, Algarve, Portugal, February 2005.
M.A. Presedo Quindimil, A. Barreiro Evaluación de estrategias en Recuperación de Información , Actas I Congreso de Estadística e Investigación Operativa de Galicia y Norte de Portugal, Guimaraes, Portugal, Octubre 2005.
R. Blanco, A. Barreiro. A software architecture for efficient document identifier reassignment, Proceedings of Intelligent Information Processing Workshop EUROCAST 2005, Lecture Notes in Computer Science 3643, pp. 254-262, 2005. Las Palmas de Gran Canaria, Spain, February 2005.

D. Losada, A. Barreiro. Negations and document length in logical retrieval, Proceedings of the 11th International Symposium on String Processing and Information Retrieval (SPIRE 2004), Padova, Italy, October 2004, Lecture Notes in Computer Science 3246, pp. 196-207, 2004.
D. Losada, A. Barreiro. Negations as a high precision mechanism, Proceedings of the 26th European Conference on Information Retrieval Research ECIR2004, Sunderland, UK, April 2004, Proceedings Vol. 2 Poster Abstracts, pp. 11-12.

A. Barreiro, D. Losada. A theoretical study of logical retrieval in terms of a characterisation of knowledge revision, ACM SIGIR 2003 Workshop on Mathematical/Formal Methods in Information Retrieval , Toronto, Canada, July 28-Agust 1, 2003.
A. Barreiro, D. Losada. ,Análisis de la medida de distancia entre documentos y consultas en el modelo lógico de Recuperación de Información PLBR , II Jornadas de Tratamiento y Recuperación de la Información JOTRI 2003, pp. 257-264, Leganés, Madrid, Septiembre 2003.
D. Losada, A. Barreiro. Embedding Term Similarity and Inverse Document Frequency into a Logical Model of Information Retrieval Journal of the American Society for Information Science and Technology , 54(4), pp. 285-301, 2003.
D. Losada, A. Barreiro. Propositional logic representations for documents and queries: a large-scale evaluation, Proceedings of the 25th European Conference on Information Retrieval Research ECIR2003, Pisa, Italy, April 2003, Lecture Notes in Computer Science, vol 2633, pp. 219-234.
A. Garcia-Allut, J. Freire, A. Barreiro, D.E. Losada. Methodology for integration of fishers ecological knowledge in fisheries biology and management using knowledge representation, in N. Haggan, C. Brignall and L. Wood (eds.) Putting Fishers' Knowledge to Work, Fisheries Centre Research Reports, FCRR 2003, Vol. 11(1), pp. 227-237, The University of British Columbia, Vancouver BC, Canada, 2003.

D. Losada, A. Barreiro. A logical model for information retrieval based on Propositional Logic and Belief Revision, The Computer Journal, 44(5), pp. 410-424, 2001.
D. Losada, A. Barreiro. An homogeneous framework to model relevance feedback, Poster session of the 24th ACM International Conference on Research and Development in Information Retrieval, Proceedings of ACM-SIGIR'2001, pp. 422-423, New Orleans, USA, September 2001. ACM definitive version
D. Losada, A. Barreiro. Rating the impact of logical representations on retrieval performance , Third International Workshop on Logical and Uncertainty Models for Information Systems LUMIS 2001, Proceedings of the 12nd International Workshop on Database and Expert System Applications DEXA 2001, pp. 247-253, Munich, Germany, September 2001.

D. Losada, A. Barreiro. Efficient algorithms for ranking documents represented as DNF formulas , ACM SIGIR 2000 Workshop on Mathematical/Formal Methods in Information Retrieval, Athens, Greece, July 24-28, published in Technology Letters, 4(1), pp. 16-24, 2000.
D. Losada, A. Barreiro. Retrieval Situations and Belief Change , Second International Workshop on Logical and Uncertainty Models for Information Systems LUMIS 2000, Proceedings of the 11th International Workshop on Database and Expert System Applications DEXA 2000, pp. 531-537, Greenwich, London, September 6-8, 2000.
A. Barreiro, D. Losada, A. García-Allut, J. Freire. Using Description Logics to Integrate Fishers' Ecological Knowledge in the Research of Artisanal Fisheries, Proceedings of 2nd ECAI Workshop on Binding Environmental Sciences and Artificial Intelligence (BESAI2000), pp. 4-1/4-6, Berlin, August 20-25, 2000.
D. Losada, A. Barreiro. Implementing Document Ranking within a Logical Framework, Proceedings of 7th International Symposium on String Processing and Information Retrieval (SPIRE 2000), pp. 188-198, Corunna, Spain, Setember 27-29, 2000.
R. Ramos, A. Barreiro. Formalizing Distinguishability: A Contexts Based Case, Second International Symposium From Agent Theory to Agent Implementation AT2AI-2, Proceedings of the 15th European Meeting on Cybernetics and Systems Research EMCSR2000, pp. 579-584, Vienna, April 25-28, 2000.

D. Losada, A. Barreiro. Conceptualisation of a Belief Revision Approach to Information Retrieval , Poster session of the IEE Seminar on Searching for Information: Artificial Intelligence and Information Retrieval Approaches, pp. 18/1-18/3, Glasgow, UK, November 1999.
D. Losada, A. Barreiro. Using a Belief Revision Operator for Document Ranking in Extended Boolean Models, Proceedings of the 22nd ACM International Conference on Research and Development in Information Retrieval, SIGIR'99, pp. 66-73, Berkeley, USA, August 15- 19, 1999. ACM definitive version
A. Barreiro, D. Losada, R. Ramos. TWebS: An application of Terminological Logics in Web Searching, Actas IV Congreso ISKO-España EOCONSID'99, pp. 253-259, Granada, Abril 22-24, 1999.

D. Losada, R. Ramos, A. Barreiro. A Terminological Approach to Resource Discovery Mechanisms, Proceedings of the 6th Iberoamerican Conference on Artifical Intelligence IBERAMIA-98 (ODT), pp. 3-16, Lisboa, October 5-9, 1998.

A. Barreiro, R. Ramos, P. Cabalar. Un Modelo Terminológico para el problema de Recuperación de Datos, Actas de la VII Conferencia de la Asociación Española para la Inteligencia Artificial CAEPIA'97, pp. 745-754, Málaga, Noviembre 1997.
P. Cabalar, M. Cabarcos, R.P. Otero, A. Barreiro. Introducing Planning in Discrete Event Systems, Lecture Notes in Computer Science, (1333):146-159, 1997.
A. Barreiro. Enseñanza de Inteligencia Artificial en el Nivel Introductorio: Fundamentos, Énfasis y Restricciones, III Jornadas de Enseñanza Universitaria de Informática JENUI-97, pp. 161-167, Madrid, 1997

R.P. Otero, A. Barreiro, P. Cabalar, D. Lorenzo. Discrete Event Simulation in an Environment for Temporal Expert Systems, Lecture Notes in Computer Science, (1030):271-282, 1996.