Advances in Information Retrieval 31th European Conference on IR Res
This book constitutes the refereed proceedings of the 30th annual European Conference on Information Retrieval Research, ECIR 2009, held in Toulouse, France in April 2009. The 42 revised full papers and 18 revised short papers presented together with the
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Editorial Board David Hutchison Lancaster University, UK Takeo Kanade Carnegie Mellon University, Pittsburgh, PA, USA Josef Kittler University of Surrey, Guildford, UK Jon M. Kleinberg Cornell University, Ithaca, NY, USA Alfred Kobsa University of California, Irvine, CA, USA Friedemann Mattern ETH Zurich, Switzerland John C. Mitchell Stanford University, CA, USA Moni Naor Weizmann Institute of Science, Rehovot, Israel Oscar Nierstrasz University of Bern, Switzerland C. Pandu Rangan Indian Institute of Technology, Madras, India Bernhard Steffen University of Dortmund, Germany Madhu Sudan Massachusetts Institute of Technology, MA, USA Demetri Terzopoulos University of California, Los Angeles, CA, USA Doug Tygar University of California, Berkeley, CA, USA Gerhard Weikum Max-Planck Institute of Computer Science, Saarbruecken, Germany
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Mohand Boughanem Catherine Berrut Josiane Mothe Chantal Soule-Dupuy (Eds.)
Advances in Information Retrieval 31th European Conference on IR Research, ECIR 2009 Toulouse, France, April 6-9, 2009 Proceedings
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Volume Editors Mohand Boughanem Université de Toulouse - IRIT 118 Route de Narbonne, 31062, Toulouse Cedex 4, France E-mail: [email protected] Catherine Berrut Université Joseph Fourier, Laboratoire d’Informatique de Grenoble BP 53, 38041 Grenoble Cedex 9, France E-mail: [email protected] Josiane Mothe Université de Toulouse - IRIT 118 Route de Narbonne, 31062 Toulouse Cedex 4, France E-mail: [email protected] Chantal Soule-Dupuy Université de Toulouse - IRIT 118 Route de Narbonne, 31062 Toulouse Cedex 4, France E-mail: [email protected]
Library of Congress Control Number: Applied for CR Subject Classification (1998): H.3, H.2, I.2.6-7, H.4, H.2.8, I.7 LNCS Sublibrary: SL 3 – Information Systems and Application, incl. Internet/Web and HCI ISSN ISBN-10 ISBN-13
0302-9743 3-642-00957-3 Springer Berlin Heidelberg New York 978-3-642-00957-0 Springer Berlin Heidelberg New York
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Preface
These proceedings contain the papers presented at ECIR 2009, the 31st European Conference on Information Retrieval. The conference was organized by the Institut de Recherche en Informatique de Toulouse (IRIT), in cooperation with the Information Retrieval Speci
