WWW 2008 / Organization April 21-25, 2008 · Beijing, China WWW 2008 Organization General Chairs: Jinpeng Huai (Beihang University, China) Robin Chen (AT&T Labs, USA) Hsiao-Wuen Hon (Microsoft Research Asia, China) Yunhao Liu (HK University of Science and Technology, Hong Kong) Wei-Ying Ma (Microsoft Research Asia, China) Andrew Tomkins (Yahoo! Research, USA) Xiaodong Zhang (The Ohio State University, USA) Andrei Broder (Yahoo!, USA) Yoelle Maarek (Google, Israel) Daniel Schwabe (Catholic University, PUC-Rio, Brazil) Bin Xu (Tsinghua University, China) Bebo White (Stanford Linear Accelerator Centre, USA) Weisong Shi (Wayne State University, USA) Irwin King (Chinese University of Hong Kong, Hong Kong) Ricardo Baeza-Yates (Yahoo!, Spain) Zaiqing Nie (Microsoft Research Asia, China) Li Zhang (Beihang University, China) Yammie Yuen (HK University of Science and Technology, Hong Kong) Beijing Beihang Assets Management Co., Ltd. Ivan Herman (IW3C2/W3C/CWI, The Netherlands) Adrian Tripp (Key20 Media, UK) Paul Mangles (Key20 Media, UK) Chunming Hu (Beihang University, China) Zongxia Du (Beihang University, China) John Miller (Southern Cross University, Australia) Jeff Korn (Google, USA) Marie-Claire Forgue (World Wide Web Consortium, France) General Vice Chairs: Program Chairs: Panels Chairs: Posters Chairs: Tutorials Chair: Tutorials Deputy Chair: Workshops Chair: Workshops Deputy Chair: Proceedings Chair: Publicity Chair: Registration Chair: Conference PCO: IW3C2 Liaison: Sponsorship Managers: Volunteers Chairs: Developers Track Chair: W3C Track Chair: xxii WWW 2008 / Organization April 21-25, 2008 · Beijing, China Browsers & User Interfaces Track Chairs: Program Committee: Xing Xie (Microsoft Research Asia, China) Vicki Hanson (IBM T.J. Watson Research Center, USA) Chieko Asakawa (IBM Research) Ed H. Chi (PARC) Kaj Grnbk (University of Aarhus) Luis Von Ahn (CMU) Masahiro Hori (Kansai University) Mor Naaman (Yahoo! Research Berkeley) Patrick Baudisch (Microsoft Research) Peter Brusilovsky (University of Pittsburgh, USA) Rob Miller (MIT) Shumeet Baluja (Google, Inc.) Simon Harper (University of Manchester, USA) Susan Dumais (Microsoft Research) Tessa Lau (IBM Almaden Research Center) Yutaka Kidawara (National Institution of Communications & Technology) Wang-Chien Lee (Pennsylvania State University, USA) Rittwik Jana (AT&T Research, USA) Baihua Zheng Daniel Appelquist (Vodafone) Evaggelia Pitoura (Univ. of Ioannina) Jianliang Xu (Baptist University) Lei Chen (Hong Kong University of Science and Technology) Mei Li (Microsoft) Ming-Syan Chen (National Taiwan University) Natalia Marmasse (Google) Ouri Wolfson Takahiro Hara (Osaka University) Tao Wu (Nokia) Walid G. Aref (Purdue University, USA) Yingqi Xu (Cisco Systems, Inc.) Zhen Xiao (IBM Research) Mobility Track Chairs: Program Committee: xxiii WWW 2008 / Organization April 21-25, 2008 · Beijing, China Data Mining Track Chairs: Program Committee: Masaru Kitsuregawa (University of Tokyo, Japan) Ravi Kumar (Yahoo! Research, USA) Alex Ntoulas (Microsoft Research) Andreas Hotho (University of Kassel) Aristides Gionis (Yahoo! Research Barcelona) Beng Chin Ooi (National University of Singapore) Bing Liu (University of Illinois at Chicag, USA o) Charu Aggarwal (IBM T.J. Watson Research Center, USA) ChengXiang Zhai (University of Illinois at Urbana-Champaign, USA) Christos Faloutsos (Carnegie Mellon University, USA) Corinna Cortes (Google) Daniel Kifer (Cornell University, USA) Deepayan Chakrabarti (Yahoo! Research) Dongwon Lee (The Pennsylvania State University, USA) Dou Shen (Microsoft adCenter Labs) Dunja Mladenic (J. Stefan Institute) Heikki Mannila (University of Helsinki) Inderjit Dhillon (University of Texas at Austin, USA) Jeffrey Xu Yu (Chinese University of Hong Kong) Jian Pei (Simon Fraser University) Jiawei Han (University of Illinois at Urbana-Champaign, USA) Ji-Rong Wen (Microsoft Research Asia) Jure Leskovec (Carnegie Mellon University, USA) Kevin Lang (Yahoo! Research) Kunal Punera (Yahoo! Research) Kyuseok Shim (Seoul National University) Mark Manasse (Microsoft Research) Mark Sandler (Google) Masashi Toyoda (University of Tokyo) Matthew Richardson (Microsoft Research) Mayur Datar (Google) Michael Wurst (University of Dortmund) Myra Spiliopoulou (University of Magdeburg) Qiaozhu Mei (University of Illinois at Urbana-Champaign) Rajeev Rastogi (Bell Labs Research India) Rayid Ghani (Accenture Technology Labs) Roberto Bayardo (Google) Ronen Feldman (Bar-Ilan University) Shinichi Morishita (University of Tokyo) Srinivasan Parthasarathy (The Ohio State University, USA) Srujana Merugu (Yahoo! Research) Thomas Hofmann (Google) Vitor Carvalho (Carnegie Mellon University, USA) Wei Fan (IBM TJ Watson Research Center, USA) William Cohen (Carnegie Mellon University, USA) xxiv WWW 2008 / Organization April 21-25, 2008 · Beijing, China Internet Monetization Track Chairs: Kartik Hosanagar (University of Pennsylvania, USA) Ying Li (Microsoft AdCenter, USA) David Pennock (Yahoo! Research, USA) Alan Montgomery (Carnegie Mellon University, USA) Amin Saberi (Stanford University, USA) Anindya Ghose (Stern School of Business, New York University, USA) Anna Karlin (University of Washington, USA) Ben Edelman (Harvard University, Department of Economics, USA) Boi Faltings (EPFL) Chris Dellarocas (University of Maryland, USA) Evangelos Markakis (Center for Math and Computer Science, Amsterdam) Florian Zettelmeyer (UC Berkeley, Haas School of Business, USA) Gagan Aggarwal (Google) Ganesh Iyer (UC Berkeley, Haas School of Business, USA) Guoqing Chen (School of Economics and Management, Tsinghua University) Hal Varian (UC Berkeley, USA) Han Zhang (Georgia Tech, College of Management, USA) Ingemar Cox (University College London) Jeff Mackie-Mason (University of Michigan, USA) John Chuang (University of California Berkeley, USA) Juan Feng (University of Florida, USA) Karthik Kannan (Krannert School of Management, Purdue Univ.) Makoto Yokoo (Kyushu University) Mark Manasse (Microsoft Research) Michael Ostrovsky (Stanford University, USA) Ming Fan (Univ. Washington Business School, USA) Nan Hu (Singapore Management University) Narahari Yadati (Indian Institute of Science) Nicholas R. Jennings (University of Southampton) Nick Economides (NYU, Stern School of Business, USA) Nicole Immorlica (Microsoft Research) Panagiotis Ipeirotis (New York University, USA) Patrick Jordan (University of Michigan, USA) Peter Fader (The Wharton School) Radu Jurca (Ecole Polytechnique Fdrale de Lausanne, EPFL) Ramayya Krishnan (Carnegie Mellon, The Heinz School) Rica Gonen (Yahoo! Research) Sebastien Lahaie (Harvard University, USA) Siva Viswanathan (University of Maryland, USA) Tim Roughgarden (Stanford University, USA) Wenli Wang (Touro University International) Xiaotie Deng (City University of Hong Kong) Yiling Chen (Yahoo! Research) Yong Tan (washington.edu) Program Committee: xxv WWW 2008 / Organization April 21-25, 2008 · Beijing, China Performance and Scalability Track Chairs: Program Committee: Martin Arlitt (HP Labs, USA and University of Calgary, Canada) Virgilio Almeida (Federal University of Minas Gerais, Brazil) Abhishek Chandra (University of Minnesota, USA) Anirban Mahanti (Indian Institute of Technology Delhi) Anja Feldmann (Deutsche Telekom Laboratories / TU-Berlin) Arun Iyengar (IBM Research) Bianca Schroeder (University of Toronto) Boudewijn Haverkort (University of Twente) Craig Wills (Worcester Polytechnic Institute) Erich Nahum (IBM Research) Guillaume Pierre (Vrije Universiteit, Amsterdam) Jussara Almeida (UFMG) Maria Calzarossa (Universita di Pavia) Michael Rabinovich (Case Western Reserve University, USA) Ranjita Bhagwan (Microsoft Research India) Songqing Chen (George Mason University, USA) Steven Gribble (University of Washington, USA) Sue Moon (KAIST) Tim Brecht (University of Waterloo) Toby DiPasquale (Commerce360) Zheng Zhang (Microsoft Research Asia) Ed Chang (Google Research, China) Alan Hanjalic (TU Delft, Netherlands) Alan Smeaton (Dublin City University) Alex Hauptmann (Carnegie Mellon University) Bernard Merialdo (EURECOM) Rich Media Track Chairs: Program Committee: Björn Þór Jónsson (Reykjavík University, Iceland) Chitra Dorai (IBM Research, USA) Chuck Rosenberg (Google, USA) Gang Wu (Microsoft, USA) Hari Sundaram (Arizona State University) Jia Li (The Pennsylvania State University) Laurent AMSALEG (CNRS-IRISA, France) Lee-Feng Chien (Google, Taiwan) Lei Zhang (Microsoft Research Asia, China) Mark Liao (Institute of Information Science Academia Sinica, Taiwan) Michael Lyu (The Chinese University of Hong Kong) Mohan Kankanhalli (National University of Singapore (NUS), Singapore) Noboru Babaguchi (Osaka University, Japan) Rainer Lienhart (University of Augsburg, Germany) Stephane Marchand-Maillet (University of Geneva, Switzerland) Tat-Senf Chua (National University of Singapore, Singapore) Vincent Oria (NJIT) Yi Wu (Intel Research, USA) xxvi WWW 2008 / Organization April 21-25, 2008 · Beijing, China Search Track Chairs: Deputy Chair: Program Committee: Ronny Lempel (Yahoo! Research, Israel) Hugo Zaragoza (Yahoo! Research, Spain) Junghoo Cho (UCLA, USA) Alistair Moffat (University of Melbourne) Altigran Silva (Federal University of Amazonas) Amy Langville (College of Charleston, USA) Andras A. Benczur (Computer and Automation Research Institute, Hungarian Academy of Sciences) Antonio Gulli (Ask.com) Berthier Ribeiro-Neto (Google Engineering Belo Horizonte & CS Dept., UFMG, Belo Horizonte, Brazil) Brian Davison (Lehigh University, USA) Carlos Castillo (Yahoo! Research Labs, Barcelona) Charles Clarke (University of Waterloo) Christopher Olston (Yahoo! Research) Davood Rafiei (University of Alberta and Google) Debora Donato (Yahoo! Research Barcelona) Donald Metzler (University of Massachusetts Amherst, USA) Edleno Silva De Moura (Universidade Federal do Amazonas) Einat Amitay (IBM Research) Eric Brown (IBM TJ Watson Research Center, USA) Evgeniy Gabrilovich (Yahoo! Research) Fabrizio Silvestri (ISTI ­ CNR) Gabriella Pasi (Universit degli STudi di Milano Bicocca) Georgia Koutrika (Stanford University) Gloria Bordogna (CNR IDPA) Gonzalo Navarro (University of Chile) Hang Li (Microsoft Research Asia) Hongyuan Zha (Georgia Institute of Technology, USA) Hui Fang (UIUC) Iadh Ounis (University of Glasgow) Jamie Callan (Carnegie Mellon University, USA) Jan Pedersen (Yahoo! Inc.) Lillian Lee (Cornell University, USA) Ling Liu (Georgia Institute of Technology, USA) Marcus Fontoura (Yahoo! Research) Massimo Melucci (University of Padua) Maxim Gurevich (Technion) Min Zhang (Tsinghua University) Monika Henzinger (Ecole Polytechnique Federale de Lausanne & Google) Nadav Eiron (Google Inc.) Neel Sundaresan (eBay Research Labs) Nick Craswell (Microsoft) Noriko Kando (National Institute of Informatics, Tokyo) Omar Alonso (A9.com) Panayiotis Tsaparas (Microsoft Research) Paolo Boldi DSI (Universit degli Studi di Milano) xxvii WWW 2008 / Organization April 21-25, 2008 · Beijing, China Search Program Committee (continued): Paolo Ferragina (University of Pisa) Prasad Deshpande (IBM India Research Lab) Sebastiano Vigna (Universit degli Studi di Milano) Sivakumar D (Google, Inc.) Soumen Chakrabarti (IIT Bombay) Sriram Raghavan (IBM Almaden Research Center) Tao Yang (Ask.com and UCSB, USA) Tie-Yan Liu (Microsoft Research Asia) Torsten Suel (Polytechnic University) Trystan Upstill (Google Inc.) Vanja Josifovski (Yahoo! Research) Yaniv Bernstein (Google Inc.) Zheng Chen (Microsoft Research Asia) Ziv Bar-Yossef (Technion - Israel Institute of Technology and Google Haifa) Security and Privacy Track Chairs: Program Committee: Dan Wallach (Rice University, USA) Helen Wang (Microsoft Research, USA) Adam Smith (Penn State, USA) Alex Halderman (Princeton University, USA) Ben Adida (Harvard University, USA) Ben Laurie (Apache Foundation, USA) Brent Waters (SRI International) Christopher Kruegel (Technical University Vienna) Collin Jackson (Stanford University, USA) Dan Kaminsky Dirk Balfanz (Google) Eric Rescorla (Network Resonsance) Hovav Shacham (University of California at San Diego) Jason Hong (Carnegie Mellon University) Larry Koved (IBM TJ Watson Research Center, USA) Marc Dacier (Eurecom) Markus Jakobsson (Indiana University, USA) Matthew Wright (University of Texas at Arlington, USA) Michael Steiner (IBM TJ Watson Research Center, USA) Naveen Agarwal (Yahoo!) Nicholas Weaver (ICSI) Nick Feamster (Georgia Tech, USA) Rachna Dhamija (Harvard University, USA) Shriram Krishnamurthi (Brown University, USA) Shuo Chen (Microsoft Research) Ulfar Erlingsson (Microsoft Research Silicon Valley, USA) Zhendong Su (UC Davis, USA) xxviii WWW 2008 / Organization April 21-25, 2008 · Beijing, China Semantic / Data Web Track Chairs: Program Committee: R. Guha (Google, USA) Riichiro Mizoguchi (Osaka University, Japan) Carol Goble (University of Manchester) Christine Golbreich (Universit de Versailles) Claire Nedellec (MIG-INRA) Dieter Fensel (University of Innsbruck, Austria) Dimitris Plexousakis (Institute of Computer Science, FORTH) Enrico Motta (The Open University) Eyal Oren (Digital Enterprise Research Institute (DERI) Galway) Franois Bry (Institute for Informatics, University of Munich) Gerd Stumme (University of Kassel) Gregoris Mentzas (National Technical University of Athens) Hardman Lynda (CWI) Hideaki Takeda (National Institute of Informatics and The University of Tokyo) Hong-Gee Kim (Seoul National University) Ian Horrocks (University of Manchester) Jayant Madhavan Jeff Heflin (Lehigh University, USA) Jennifer Golbeck (University of Maryland, College Park) Jens-Peter Dittrich (ETH Zurich) John Breslin (DERI, NUI Galway) Juanzi Li (Dept. of Computer Science, Tsinghua University) Lalana Kagal (MIT, USA) Manfred Hauswirth (Digital Enterprise Research Institute (DERI), Galway) Marianne Winslett (University of Illinois, USA) Masahiro Hori (Kansai University) Massimo Paoluccci (DoCoMo Euro Labs) Munindar P. Singh (NCSU) Natasha Noy (Stanford University, USA) Nicola Cancedda Nigel Collier (National Institute of Informatics) Pascal Hitzler (AIFB, University of Karlsruhe) Peter Mika (Yahoo! Research, USA) Prasenjit Mitra (The Pennsylvania State University, USA) Rudi Studer (University of Karlsruhe) Siegfried Handschuh (National University of Ireland) Stefan Schlobach (Vrije Universiteit Amsterdam) Steffen Staab (University of Koblenz-Landau) Takahira Yamaguchi (Keio University) Takahiro Kawamura (Toshiba Corp.) Thomas Eiter (Institute of Information Systems, TU Vienna) Vipul Kashyap (Partners Healthcare System) xxix WWW 2008 / Organization April 21-25, 2008 · Beijing, China Social Networks and Web 2.0: Track Chairs: Program Committee: Elisa Bertino (Purdue University, USA) Lada Adamic (University of Michigan, USA) Anindya Ghose (Stern School of Business, New York University, USA) Anna Squicciarini (Purdue University, USA) Aoying Zhou (East China Normal University) Barry Smyth (University College Dublin) Belle Tseng (Yahoo!) Cameron Marlow (Yahoo!) Cliff Lampe (Michigan State University, USA) David Liben-Nowell (Carleton College, USA) Dennis Wilkinson (HP Labs) Emil Lupu (Imperial College) Eytan Adar (University of Washington, USA) Gueorgi Kossinets (Cornell University, USA) Han Woo Park (Yeungnam University) John Riedl (University of Minnesota, USA) Kian-Lee Tan (National University of Singapore) Kristina Lerman (USC) Krithi Ramamritham (IIT Bombay) Lalana Kagal (MIT, USA) Lee Giles (Penn Stat, USA e) Marc Smith (Microsoft) Massimo Mecella (SAPIENZA - Univ. Roma) Matthew Hurst (Microsoft) Matthias Jarke (RWTH Aachen University) Rafae Bhatti (IBM Almaden, USA) Rahul Sami (University of Michigan) Rohit Khare (CommerceNet) Shel Finkelstein (SAP Labs) Yutaka Matsuo (AIST) xxx WWW 2008 / Organization April 21-25, 2008 · Beijing, China Web Engineering Track Chairs: Program Committee: Martin Gaedke (Chemnitz University of Technology, Germany) Hong Mei (Peking University, China) Angela Goh (Nanyang Technological University) Arthur Ryman (IBM) Athula Ginige (University of Western Sydney) Atif Memon (University of Maryland, USA) Bebo White (Stanford Linear Accelerator Center, SLAC) Carolyn Watters (Dalhousie University) Chris Brooks (University of San Francisco, USA) Daniel Schwabe (Dept. of Informatics, PUC-Rio) David Lowe (University of Technology, Sydney) Dragan Gasevic (Athabasca University) Emilia Mendes (The University of Auckland) Fabio Casati (University of Trento) Fabio Vitali (University of Bologna, Italy) Fernanda Lima (Universidade Catolica de Brasilia) Geert-Jan Houben (Vrije Universiteit Brussel) Greg Badros (University of Washington, USA) Gustavo Rossi (LIFIA-F. Informatica. UNLP) Jaime Gomez (Universidad de Alicante) Judith Bishop (University of Pretoria) Katsumi Tanaka (Kyoto University, Japan) Kenneth Anderson (University of Colorado, USA) Klaus-Dieter Schewe (Massey University) Luciano Baresi (DEI - Politecnico di Milano, Italy) Luis Olsina (Universidad Nacional de La Pampa) Marco Brambilla (Politecnico di Milano, Italy) Maria Bielikova (Slovak University of Technology in Bratislava) Michael Grossniklaus (ETH Zurich) Nora Koch (Ludwig-Maximilians-Universitaet Muenchen) Olga De Troyer (Vrije Universiteit Brussel) Oscar Diaz (University of the Basque Country) Oscar Pastor Lopez (Valencia) Paul Dantzig (IBM T.J. Watson Research Center, USA) S.C. Cheung (The Hong Kong University of Science and Technology) San Murugesan (Southern Cross University) Takehiro Tokuda (Tokyo Institute of Technology, Japan) Vassilis Christophides (FORTH, Crete, Greece) Wieland Schwinger (Johannes Kepler University Linz) Wolfgang Nejdl (University of Hannover, Germany) Woojong Suh (College of Business Administration, Inha University) Xiaofang Zhou (University of Queensland) Yanbo Han (Shandong University of Science and Technology) Yogesh Deshpande (University of Western Sydney, Australia) xxxi WWW 2008 / Organization April 21-25, 2008 · Beijing, China XML and Web Data Track Chair: Deputy Chair: Program Committee: Juliana Freire (University of Utah, USA) Michael Benedikt (Oxford University, England) Altigran Silva (Federal University of Amazonas) Chee-Yong Chan (National University of Singapore) Chen Li (University of California, Irvine, USA) Clement Yu (University of Illinois at Chicago, USA) Felix Weigel (Cornell University, USA) Georg Gottlob (Oxford University) Lucian Popa (IBM Almaden) Maarten De Rijke (ISLA, University of Amsterdam) Makoto Murata (IBM Research) Maya Ramanath (Max-Planck-Institute for Computer Science) Philip Bohannon (Yahoo! Research) Renee J. Miller (University of Toronto, Canada) Serge Abiteboul (INRIA Saclay) Stijn Vansummeren (Hasselt University & Transnational University of Limburg) Vanessa Braganholo (UFRJ) Wei Wang (UNSW) Wenfei Fan (University of Edinburgh and Bell Labs) Xin Dong (AT&T Labs) Yannis Velegrakis (University of Trento) Industrial Practice and Experience Track Chairs: Jayavel Shanmugasundaram (Yahoo! Research, USA) Hugh Williams (Microsoft, USA) Aya Soffer (IBM Research Haifa, Israel) Beng Chin Ooi (National University of Singapore) Craig Nevill-Manning (Google) Daniel Appelquist (Vodafone) Daniel Tunkelang (Endeca) David Hawking (CSIRO ICT Centre) Dennis Fetterly (Microsoft Research) Jan Pedersen (Yahoo! Inc.) Michael Herscovici (Google) Rosie Jones (Yahoo! Research) Saied Tahaghoghi (RMIT University) Swami Sivasubramanian (Amazon.com) Vladimir Soroka (IBM) Yue Pan (IBM China Research Laboratory) Zijian Zheng (Microsoft) Program Committee: xxxii WWW 2008 / Organization April 21-25, 2008 · Beijing, China Technology for Developing Regions Track Chair: Deputy Chair: Program Committee: Srinivasan Keshav (University of Waterloo, Canada) Lakshminarayanan Subramanian (New York University, USA) Bhaskaran Raman (IIT Bombay, India) Gaetano Borriello (University of Washington, USA) Jacques Steyn (Monash University) Kentaro Toyama (Microsoft Research, India) Krithivasan Ramamritham (IIT Bombay, India) Ramon Caceres (AT&T Labs) Tapan Parikh (University of California, Berkeley, USA) Umar Saif (Lahore University of Management Sciences) Wagner Meira Jr. (UFMG, Brazil) William Chang (Baidu Inc., China) Jianzhong Li (Harbin Institute of Technology, China) Ji-Rong Wen (Microsoft Research Asia, China) Aoying Zhou (Fudan University, China) Bing Liu (University of Illinois at Chicago, USA) Bo Shen (HP Labs, USA) Chen Li (University of California at Irvine, USA) Ching-Laung Lei (National Taiwan University, Taiwan) Cho-li Wang (The University of Hong Kong, Hong Kong) Dou Shen (Microsoft adCenter Labs, USA) Hai Jin (Huazhong University of Science and Technology, China) Hai Zhuge (Chinese Academy of Sciences, China) Herman Rao (Far Eastone Telecom, Taiwan) Hong Gao (Harbin Institute of Technology, China) Hsin-Hsi Chen (National Taiwan University, Taiwan) Huan Liu (Arizona State University, USA) Jeffrey Yu (Chinese University of Hong Kong, Hong Kong) Jian Ma (Nokia, China) Jian-Yun Nie (University of Montreal, Canada) Kam-Fai Wong (Chinese University of Hong Kong, Hong Kong) Lifeng Sun (Tsinghua University, China) Qiang Yang (Hong Kong University of Science and Technology, Hong Kong) Qing Li (City University of Hong Kong, Hong Kong) Shaoping Ma (Tsinghua University, China) Ting Liu (Harbin Institute of Technology, China) Weiyi Meng (Binghamton University, USA) Xiaofang Zhou (University of Queensland, Australia) Xiaoyong Du (Renmin University, China) Xing Li (Tsinghua University, China) Xueqi Cheng (Chinese Academy of Sciences, China) Yennun Huang (Institute for Information Industry, Taiwan) Yingshu Li (Georgia State University, USA) Yong Yu (Shanghai Jiao-Tong University, China) Yunhao Liu (Hong Kong University of Science and Technology, Hong Kong) Zaiqing Nie (Microsoft Research Asia, China) Zhong Su (IBM China Research Lab, China) xxxiii WWW in China Track Chairs: Program Committee: WWW 2008 / Organization April 21-25, 2008 · Beijing, China Tutorials Chair: Deputy Chair: Program Committee: Bebo White (Stanford Linear Accelerator Center Computing Services) Weisong Shi (Wayne State University, USA) H. Farooq Ahmed (NUST Institute of Information Technology, Pakistan) Helen Ashman (University of South Australia, Australia) Leslie Carr (University of Southhampton, UK) Lee-Feng Chien (Google, Taiwan) Dale Dougherty (O'Reilly Media, USA) Takahiro Hara (Osaka University, Japan) Geert-Jan Houben (Vrije Universiteit Brussel, Belgium) Ravi Kumar (Yahoo! Research, USA) Wang-Chien Lee (Pennsylvania State University, USA) David Leip (IBM, USA) Xueyan Tang (Nanyang Technological University, Singapore) Phillip Tsang (Open University of Hong Kong, China) Irwin King (The Chinese University of Hong Kong) Ricardo Baeza-Yates (Yahoo!, Spain) Bay-Wei Chang (Google, USA) Meng-Chang Chen (Academic Sinica, Taiwan) Steven Hoi (Nanyang Technological University, Singapore) Juanzi Li (Tsinghua University, China) Jiming Liu (Hong Kong Baptist University, Hong Kong) Sue Moon (KAIST, Korea) Michael Sheng (University of Adelaide, Australia) Oliver Spatscheck (AT&T, USA) Hideaki Takeda (National Institute of Informatics, Japan) Xing Xie (Microsoft Research Asia, China) Jian Yin (IBM, USA) Yong Yu (Shanghai Jiao Tung University, China) Jeffrey Korn (Google, USA) Danny Ayers (Talis Information Ltd., Italy) Mark Baker (Coactus Consulting, Canada) Chris Bizer (Freie Universität Berlin, Germany) Dan Brickley (FOAF project, UK) Raoul-Sam Daruwala (Google, USA) Bill de hÓra (NewBay Software, Ltd., Ireland) Stefan Eissing (greenbytes GmbH, Germany) Yves Lafon (W3C, France) Mark Nottingham (Yahoo! Inc., Australia) Cameron Price (Mint Digital, USA) Norman Walsh (Sun Microsystems, Inc., USA) Cong Yu (Yahoo! Research, USA) Workshops Chair: Deputy Chair: Program Committee: Developers Track Chair: Program Committee: xxxiv WWW 2008 / Organization April 21-25, 2008 · Beijing, China Posters Chairs: Program Committee: Daniel Schwabe (Pontifical Catholic University of Rio de Janeiro, Brazil) Bin Xu (Tsinghua University, China) Lora Aroyo (CWI, Netherlands) Enhong Chen (University of Science and Technology, China) Mingmin Chi (Fudan University, China) Paul Chirita (Adobe Systems, Romania) Gao Cong (Microsoft Research Asia, China) Florian Daniel (Politecnico di Milano, Italy) Li Ding (Rensselaer Polytechnic Institute, USA) Dejing Dou (University of Oregon, USA) Steve Drucker (Microsoft LiveLabs, USA) Jianhua Feng (Tsinghua University, China) Denis Fetterly (Microsoft Research, USA) Marcus Felipe Fontoura (Yahoo! Research, USA) Wei Hu (Southeast University, China) Deepali Khushraj (Nokia Research Center, USA) Markus Kroetzch (University of Karlsruhe, Germany) Bangyong Liang (NEC China Research Laboratory, China) Fernanda Lima (Catholic University of Brasilia, Brazil) Donald Metzler (Yahoo! Research, USA) Daniel Olmedilla (Hannover University, Germany) Jie Tang (Tsinghua University, China) Giovanni Toffetti (Politecnico di Milano, Italy) Xiaojun Wan (Peking University, China) Jianyong Wang (Tsinghua University, China) Shenghui Wang (Vrije Universiteit Amsterdam, Netherlands) Guirong Xue (Shanghai Jiao Tong University, China) Yue Zhuge (Microsoft Research Asia, China) Dianfu Ma (Beihang University, China) Hong Mei (Peking University, China) Cunwen Dong (Beihang University, China) Hai Jin (Huazhong University of Science and Technology, China) Anqi Li (Beijing Beihang Assessment Management Co. Ltd., China) Huan Li (Beihang University, China) Jianzhong Li (Harbin Institute of Technology, China) Juanzi Li (Tsinghua University, China) Minglu Li (Shanghai Jiaotong University, China) Rui Liu (Beihang University, China) Xudong Liu (Beihang University, China) Zhongzhi Shi (Chinese Academy of Science, China) Lolan Song (Microsoft Research Asia, China) Hailong Sun (Beihang University, China) Huaimin Wang (National University of Defense Technology, China) Jun Wei (Chinese Academy of Science, China) Tianyu Wo (Beihang University, China) Xingshe Zhou (Northwestern Polytechnical University, China) xxxv Local Organization Chairs: Organizing Committee: