Anaphora: Analysis, Algorithms and Applications 6th Discourse Anapho

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Subseries of Lecture Notes in Computer Science

4410

António Branco (Ed.)

Anaphora: Analysis, Algorithms and Applications 6th Discourse Anaphora and Anaphor Resolution Colloquium, DAARC 2007 Lagos, Portugal, March 29-30, 2007 Selected Papers

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Series Editors Jaime G. Carbonell, Carnegie Mellon University, Pittsburgh, PA, USA Jörg Siekmann, University of Saarland, Saarbrücken, Germany Volume Editor António Branco Universidade de Lisboa, Faculdade de Ciências Departamento de Informática Campo Grande 1749-016 Lisboa, Portugal E-mail: [email protected]

Library of Congress Control Number: 2007922631

CR Subject Classification (1998): I.2.7, I.2, I.7, F.4.3, H.5.2, H.3 LNCS Sublibrary: SL 7 – Artificial Intelligence ISSN ISBN-10 ISBN-13

0302-9743 3-540-71411-1 Springer Berlin Heidelberg New York 978-3-540-71411-8 Springer Berlin Heidelberg New York

This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, re-use of illustrations, recitation, broadcasting, reproduction on microfilms or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under the German Copyright Law. Springer is a part of Springer Science+Business Media springer.com © Springer-Verlag Berlin Heidelberg 2007 Printed in Germany Typesetting: Camera-ready by author, data conversion by Scientific Publishing Services, Chennai, India Printed on acid-free paper SPIN: 12035274 06/3142 543210

Preface

Anaphora is a central topic in the study of natural language and has long been the object of research in a wide range of disciplines in the area of cognitive science, such as artificial intelligence and human language technology, theoretical, corpus and computational linguistics, philosophy of language, psycholinguistics and cognitive psychology. The correct interpretation of anaphora has played an increasingly vital role in real-world natural language processing applications including machine translation, automatic abstracting, information extraction and question answering. Given the challenges its complexity poses to scientific inquiry and technological progress, anaphora has been one of the most productive topics of multi- and inter-disciplinary research, and has enjoyed increased interest and attention in recent years. The cutting-edge results reported in the papers collected in the present volume address all these aspects. They are a selection of the best papers presented at the sixth edition of DAARC. The Discourse Anaphora and Anaphor Resolution Colloquia (DAARC) have emerged as the major regular forum for presentation and discussion of the best research results in this area. Initiated in 1996 at Lancaster University and taken over in 2002 by the University of Lisbon, the DAARC series