Lecture Notes in Computer Science Commenced Publication in 1973 Founding and Former Series Editors: Gerhard Goos, Juris Hartmanis, and Jan van Leeuwen
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 Microsoft Research, Cambridge, 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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Lei Chen Chengfei Liu Xiao Zhang Shan Wang Darijus Strasunskas Stein L. Tomassen Jinghai Rao Wen-Syan Li K. Selçuk Candan Dickson K.W. Chiu Yi Zhuang Clarence A. Ellis Kwang-Hoon Kim (Eds.)
Advances in Web and Network Technologies, and Information Management APWeb/WAIM 2009 International Workshops: WCMT 2009, RTBI 2009, DBIR-ENQOIR 2009, PAIS 2009 Suzhou, China, April 2-4, 2009 Revised Selected Papers
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Volume Editors Lei Chen Hong Kong University of Science and Technology, E-mail:
[email protected] Chengfei Liu Swinburne University of Technology, E-mail:
[email protected] Xiao Zhang Renmin Universty of China, E-mail:
[email protected] Shan Wang Renmin University China, E-mail:
[email protected] Darijus Strasunskas NTNU, Norway, E-mail:
[email protected] Stein L. Tomassen NTNU Norway, E-mail: stein.l.t
[email protected] Jinghai Rao AOL, China, E-mail:
[email protected] Wen-Syan Li SAP Research China, E-mail:
[email protected] K. Selçuk Candan Arizona State University, E-mail:
[email