General Co-Chairs

Karl Aberer

School for Computer and Communication Science, EPFL, Switzerland

Andreas Flache

Department of Sociology, University of Groningen, The Netherlands

Program Co-Chairs

Wander Jager

Department of Sociology, University of Groningen, The Netherlands

Ling Liu

Georgia Institute of Technology, USA

Jie Tang

Tsinghua Univ. P.R. China

Workshop Co-Chairs

Michael Maes

Department of Humanities, Social and Political Sciences, ETH Zürich, Switzerland

Cecilia Mascolo

Computer Laboratory, Cambridge University, UK

Tutorial Co-Chairs

Steve Marsh

Communications Research Centre, Ottawa, Canada

Camille Roth

Centre d'analyse et de mathématique sociales, CNRS, France

Poster/Demo Co-Chairs

Jan Blom

Nokia Research Center, Lausanne, Switzerland

James Caverlee

Department of Computer Science and Engineering, Texas A&M University, USA

Sponsorship/Exhibition Co-Chairs

Sabine Susstrunk

School for Computer and Communication Science, EPFL, Switzerland

Dominique Vinck

Institut des sciences sociales, University Lausanne, Switzerland

Publicity Chairs

Sonja Buchegger

School of Computer Science and Communication, KTH, Sweden

Cristian Danescu

Department of Computer Science, Cornell University, USA

Claire Clivaz

Institut romand des sciences bibliques, University Lausanne, Switzerland

Anwitaman Datta

School of Computer Engineering, NTU Singapore

Publications Chairs

Christophe Gueret

Department of Artificial Intelligence, Vrije Universiteit Amsterdam, The Netherlands

Leonard Bolc

Polish-Japanese Institute of Information Technology, Poland

Web Co-Chairs

Michele Catasta

School for Computer and Communication Science, EPFL, Switzerland

Surender Reddy Yerva

School for Computer and Communication Science, EPFL, Switzerland

Local Organization

Chantal Francois

School for Computer and Communication Science, EPFL, Switzerland

Adam Wierzbicki, Chair

Polish-Japanese Institute of Information Technology, Poland

Karl Aberer

School for Computer and Communication Science, EPFL, Switzerland

Katsumi Tanaka

Kyoto University, Japan

Anwitaman Datta

Nanyang Technological University, Singapore

Ee-Peng Lim

Singapore Management University, Singapore

Noshir Contractor

Northwestern University, USA

Michael Macy

Cornell University

Hsinchun Chen

University of Arizona

Sue B. Moon

Korea Advanced Institute of Science and Technology

Fred Amblard

CNRS IRIT - Universit des Sciences Sociales Toulouse 1

Stuart Anderson

University of Edinburgh

Emma Angus

University of Wolverhampton

Sitaram Asur

HP Labs

George Barnett

University of California

Michael Baron

Baron Consulting

Nadia Bennani

Lab. LIRIS INSA de Lyon

Abraham Bernstein

University of Zurich

Klemens Böhm

Universität Karlsruhe (TH)

Francesco Bolici

Cassino University

Svetlin Bostandjiev

University of California Santa Barbara

Ulrik Brandes

University of Konstanz

Amit Chopra

University of Trento

Chris Cornelis

University of Granada

Martine De Cock

Ghent University, Dept. of Applied Mathematics and Computer Science

Yves-Alexandre de Montjoye

Massachusetts Institute of Technology

Guillaume Deffuant

Cemagref

Chris Dellarocas

Boston University

Jana Diesner

University of Illinois at Urbana-Champaign

Marios Dikaiakos

University of Cyprus

Ying Ding

Indiana University

Xiaoyong Du

Renmin University of China

Bruce Edmonds

Manchester Metropolitan University Business School

Andreas Ernst

University of Kassel, Kassel, Germany

Alois Ferscha

University of Linz

Richard Forno

UMBC

Heljä Franssila

University of Tampere

Timothy French

Bedfordshire University

Wai-Tat Fu

University of Illinois

Gerhard Fuchs

university of stuttgart

Armando Geller

Scensei

Peter Groenewegen

VU University

Ido Guy

IBM Research

Chris Hinnant

Florida State University

Wenlian Hsu

Academia Sinica

Yuh-Jong Hu

National Chengchi University

Baden Hughes

The University of Melbourne

Stephan Humer

Berlin University of the Arts

Marco Janssen

Arizona State University

Mark Jelasity

University of Szeged

James Joshi

University of Pittsburgh

Radu Jurca

Google Inc. Switzerland

Jean-Daniel Kant

Pierre and Marie Curie - Paris VI

Przemysław Kazienko

Wroclaw University of Technology

Andreas Koch

University of Salzburg

Walter Lamendola

University of Denver

Georgios Lappas

Technological Educational Institute (T.E.I.) of Western Macedonia, Kastoria Campus, Greece

Yefeng Liu

Department of Computer Science, Waseda Univerisity

Paul Lukowicz

University of Passau

Christopher Mascaro

Drexel University

Winter Mason

Stevens Institute of Technology

Paolo Massa

Bruno Kessler Foundation

David Millard

University of Southampton

Bamshad Mobasher

DePaul University

Tony Moore

Deloitte Analytics

Mikołaj Morzy

Poznan University of Technology

Tsuyoshi Murata

Tokyo Institute of Technology

Keiichi Nakata

University of Reading

Taewoo Nam

Center for Technology in Government, University at Albany, State University of New York

Wolfgang Nejdl

L3S and University of Hannover

Bruce Neubauer

Albany State University

See-Kiong Ng

Institute for Infocomm Research

Carlos Nunes Silva

University of Lisbon

Huseyin Oktay

University of Massachusetts, Amherst

Anne-Marie Oostveen

Oxford Internet Institute

Mario Paolucci

Institute of Cognitive Sciences and Technologies

Elin Rønby Pedersen

Google

Gregor Petrič

Faculty of Social Sciences, Uni of Ljubljana, Slovenia

Daniele Quercia

Universtiy College London

Alice Robbin

Indiana University

Sini Ruohomaa

University of Helsinki, Finland

Geoffery Seaver

National Defense University

Kalpana Shankar

Indiana University-Bloomington

Xiaolin Shi

Microsoft Corporation

Vaclav Snasel

VSB-Technical University of Ostrava

Thanakorn Sornkaew

Ramkhamheang University

Flaminio Squazzoni

Dipartimento di Studi Sociali, Università di Brescia

Thorsten Strufe

TU Darmstadt

Neel Sundaresan

eBay Research Labs

Maurizio Teli

Fondazione Ahref

Klaus G Troitzsch

University of Koblenz-Landau

Julita Vassileva

University of Saskatchewan

Miguel Vicente

Universidad de Valladolid

Mark Weal

University of Southampton

Roger Whitaker

Cardiff University

Nanda Wijermans

University of Utrecht

Weining Zhang

University of Texas at San Antonio, USA