Rough Sets and Knowledge Technology Third International Conferen

This book constitutes the refereed proceedings of the Third International Conference on Rough Sets and Knowledge Technology, RSKT 2008, held in Chengdu, China, in May 2008. The 91 revised full papers papers presented together with 3 keynote papers and 6 t

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Subseries of Lecture Notes in Computer Science

5009

Guoyin Wang Tianrui Li Jerzy W. Grzymala-Busse Duoqian Miao Andrzej Skowron Yiyu Yao (Eds.)

Rough Sets and Knowledge Technology Third International Conference, RSKT 2008 Chengdu, China, May 17-19, 2008 Proceedings

13

Series Editors Randy Goebel, University of Alberta, Edmonton, Canada Jörg Siekmann, University of Saarland, Saarbrücken, Germany Wolfgang Wahlster, DFKI and University of Saarland, Saarbrücken, Germany Volume Editors Guoyin Wang Chongqing University of Posts and Telecommunications, P.R. China E-mail: [email protected] Tianrui Li Southwest Jiaotong University, Chengdu, P.R. China, E-mail: [email protected] Jerzy W. Grzymala-Busse University of Kansas, Lawrence, KS, USA, E-mail: [email protected] Duoqian Miao Tongji University, Shanghai, P.R. China, E-mail: [email protected] Andrzej Skowron Warsaw University, Poland, E-mail: [email protected] Yiyu Yao University of Regina, Saskatchewan, Canada, E-mail: [email protected]

Library of Congress Control Number: 2008926413

CR Subject Classification (1998): I.2, H.2.4, H.3, F.4.1, F.1, I.5, H.4 LNCS Sublibrary: SL 7 – Artificial Intelligence ISSN ISBN-10 ISBN-13

0302-9743 3-540-79720-3 Springer Berlin Heidelberg New York 978-3-540-79720-3 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 2008 Printed in Germany Typesetting: Camera-ready by author, data conversion by Scientific Publishing Services, Chennai, India Printed on acid-free paper SPIN: 12265817 06/3180 543210

Preface

This volume contains the papers selected for presentation at the Third International Conference on Rough Sets and Knowledge Technology (RSKT 2008) held in Chengdu, P.R. China, May 16–19, 2008. The RSKT conferences were initiated in 2006 in Chongqing, P.R. China. RSKT 2007 was held in Toronto, Canada, together with RSFDGrC 2007, as JRS 2007. The RSKT conferences aim to present state-of-the-art scientific results, encourage academic and industrial interaction, and promote collaborative research in rough sets and knowledge technology worldwide. They place emphasis on exploring synergies between rough sets and knowledge discovery, knowledge management, data mining, granular and soft computing as well as emerging application areas such as bioinformatics, cognitive informatics, and Web intelligence, both at the level of theoretical foundations and real-life applicat