Rough Sets and Knowledge Technology 4th International Conference

This book constitutes the refereed proceedings of the Fourth International Conference on Rough Sets and Knowledge Technology, RSKT 2009, held in Gold Coast, Australia, in July 2009. The 85 revised full papers papers presented together with 3 keynote

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Subseries of Lecture Notes in Computer Science

5589

Peng Wen Yuefeng Li Lech Polkowski Yiyu Yao Shusaku Tsumoto Guoyin Wang (Eds.)

Rough Sets and Knowledge Technology 4th International Conference, RSKT 2009 Gold Coast, Australia, July 14-16, 2009 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 Peng Wen University of Southern Queensland, Toowoomba, Australia E-mail: [email protected] Yuefeng Li Queensland University of Technology, Brisbane, Australia E-mail: [email protected] Lech Polkowski University of Warmia and Mazury, Olsztyn, Poland and Polish-Japanese Institute of Information Technology Warszawa, Poland E-mail: [email protected] Yiyu Yao University of Regina, Canada E-mail: [email protected] Shusaku Tsumoto Shimane University, Izumo, Japan E-mail: [email protected] Guoyin Wang Chongqing University of Posts and Telecommunications Chongqing, China E-mail: [email protected]

Library of Congress Control Number: Applied for CR Subject Classification (1998): H.3, F.4, F.1, H.4, I.2 LNCS Sublibrary: SL 7 – Artificial Intelligence ISSN ISBN-10 ISBN-13

0302-9743 3-642-02961-2 Springer Berlin Heidelberg New York 978-3-642-02961-5 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.com © Springer-Verlag Berlin Heidelberg 2009 Printed in Germany Typesetting: Camera-ready by author, data conversion by Scientific Publishing Services, Chennai, India Printed on acid-free paper SPIN: 12715138 06/3180 543210

Preface

The Rough Sets and Knowledge Technology (RSKT) conferences serve as a major forum that brings researchers and industry practitioners together to discuss and deliberate on fundamental issues of knowledge processing and management and knowledge-intensive practical solutions in the current knowledge age. Experts from around the world meet annually to present state-of-the-art scientific results, to nurture academic and industrial interaction, and to promote collaborative research in rough sets and knowledge technology. The main theme of the RSKT conference is to explore the synergy between rough sets and advanced knowledge technology and applications, including knowledge discovery, data mining, knowledge processing and management, granular computing, evolutionary computing, biocomputing and bioinformatics, cognitive computing and cognitive informati