Conference Committee
General Chair
Emre Kiciman (Microsoft Research, USA)
Program Cochairs
Nicole B. Ellison (University of Michigan, USA)
Bernie Hogan (Oxford Internet Institute, UK)
Paul Resnick (University of Michigan, USA)
Ian Soboroff (National Institute of Standards and Technology, USA)
Data Chair
Derek Ruths (McGill University, Canada)
Demos Cochairs
Karrie Karahalios (University of Illinois at Urbana-Champaign, USA)
Andrés Monroy-Hernández (Microsoft Research, USA)
Social Media / Publicity Chair
Sarita Yardi (University of Michigan, USA)
Tutorials Cochairs
Winter Mason (Stevens Institute of Technology, USA)
Raquel Recuero (Universidade Católica De Pelotas, Brazil)
Workshops Cochairs
Lee Humphreys (Cornell University, USA)
Daniele Quercia (Yahoo! Labs Barcelona, Spain)
Sponsors Chair
Munmun De Choudhury (Microsoft Research, USA)
Web Chair
Farshad Kooti (University of Southern California, USA)
2013 Senior Program Committee
Mark Ackerman (University of Michigan, USA)
Lada Adamic (University of Michigan, USA)
Eugene Agichtein (Emory University, USA)
Ricardo Baeza-Yates (Yahoo! Labs, Spain)
Jeffrey Bigham (University of Rochester, USA)
danah boyd (Microsoft Research, USA)
John Breslin (NUI Galway, Ireland)
Meeyoung Cha (KAIST, Republic of South Korea)
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Ed H. Chi (Google, USA)
Elizabeth Churchill (eBay, USA)
Noshir Contractor (Northwestern University, USA)
Scott Counts (Microsoft Research, USA)
Laura Dabbish (Carnegie Mellon University, USA)
Elizabeth M. Daly (IBM Research, USA)
Munmun De Choudhury (Microsoft Research, Redmond, USA)
Shelly Farnham (Microsoft Research, USA)
Andrew Fiore (University of California, Berkeley and Facebook, USA)
Andrea Forte (Drexel University, USA)
Lise Getoor (University of Maryland, USA)
Natalie Glance (Google, USA)
Anatoliy Gruzd (Dalhousie University, Canada)
Ido Guy (IBM Research, Isreal)
Derek Hansen (Brigham Young University, USA)
Conor Hayes (NUI Galway, Ireland)
Bernardo Huberman (HP Labs, USA)
Panos Ipeirotis (New York University, USA)
Sep Kamvar (Massachusetts Institute of Technology, USA)
Karrie Karahalios (University of Illinois Urbana-Champaign, USA)
Jussi Karlgren (Gavagai and KTH, Sweden)
Henry Kautz (University of Rochester, USA)
Alfred Kobsa (University of California, Irvine, USA)
Joseph Konstan (University of Minnesota, USA)
Cliff Lampe (University of Michigan, USA)
David Lazer (Northeastern University, USA)
Jure Leskovec (Stanford University, USA)
Henry Lieberman (MIT Media Lab, USA)
Jimmy Lin (University of Maryland, USA)
Rich Ling (IT University of Copenhagan / Telenor, Denmark)
Winter Mason (Stevens Institute of Technology, USA)
Qiaozhu Mei (University of Michigan, USA)
Panagiotis Metaxas (Wellesley College, USA)
Andrés Monroy-Hernández (Microsoft Research, USA)
Sean Munson (University of Washington, USA)
Mor Naaman (Rutgers University, USA)
Iadh Ounis (University of Glasgow, UK)
Daniele Quercia (Yahoo! Labs, Spain)
Derek Ruths (McGill University, Canada)
Amit Sheth (Wright State University, USA)
Padmini Srinivasan (The University of Iowa, USA)
Charles Steinfield (Michigan State University, USA)
Jie Tang (Tsinghua University, China)
Andrew Tomkins (Google, USA)
Yi Zhang (University of California, Santa Cruz, USA)
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2013 Program Committee
Eytan Adar (University of Michigan, USA)
Luca Maria Aiello (Yahoo! Research, Spain)
Omar Alonso (Microsoft, USA)
Giambattista Amati (Fondazione Ugo Bordoni, Italy)
Sihem Amer-Yahia (CNRS, LIG, France)
Jisun An (University of Cambridge, UK)
Mike Ananny (University of Southern California, USA)
Daniel Archambault (Swansea University, UK)
Shlomo Argamon (Illinois Institute of Technology, USA)
Sitaram Asur (HP Labs, USA)
Sören Auer (University of Leipzig, Germany)
Gabriela Avram (University of Limerick, Ireland)
Lars Backstrom (Facebook, USA)
Paul M. A. Baker (Georgia Institute of Technology, USA)
Eytan Bakshy (Facebook, USA)
Ramnath Balasubramanyan (Carnegie Mellon University, USA)
Timothy Baldwin (University of Melbourne, Australia)
Michael Bernstein (Stanford University, USA)
Uldis Bojars (University of Latvia, Latvia)
Moira Burke (Facebook, USA)
Sahara Byrne (Cornell University, USA)
Licia Capra (University College London, UK)
Carlos Castillo (Qatar Computing Research Institute, Qatar)
James Caverlee (Texas A&M University, USA)
Jeffrey Chan (University of Melbourne, Australia)
Justin Cranshaw (Carnegie Mellon University, USA)
Maciej Dabrowski (Digital Enterprise Research Institute NUI Galway, Ireland)
Abhimanyu Das (Microsoft Research, USA)
Atish Das Sarma (eBay Research Labs, USA)
Brian Davison (Lehigh University, USA)
Pieter De Leenheer (VU Amsterdam, Netherlands)
Maarten de Rijke (University of Amsterdam, Netherlands)
Arjen de Vries (CWI, Netherlands)
Jon Elsas (Google, Inc., USA)
Brian Eoff (bitly, USA)
Song Feng (State University of New York, Stony Brook, USA)
Anna Fensel (FTW Telecommunications Research Center Vienna, Austria)
Clay Fink (Johns Hopkins University, USA)
Kenneth R. Fleischmann (University of Texas, Austin, USA)
Adrien Friggeri (Facebook, USA)
Michael Gamon (Microsoft Research, USA)
Fabien Gandon (INRIA, France)
Eric Gilbert (Georgia Institute of Technology, USA)
Christophe Giraud-Carrier (Brigham Young University, USA)
Sean Goggins (Drexel University, USA)
Scott Golder (Cornell University, USA)
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Derek Greene (University College Dublin, Ireland)
Josephine Griffith (NUI Galway, Ireland)
Paul Groth (VU University Amsterdam, Netherlands)
Tudor Groza (The University of Queensland, Australia)
Lisa Gualtieri (Tufts University, USA)
Ido Guy (IBM Research, USA)
Hamed Haddadi (Queen Mary University of London, UK)
Germaine Halegoua (University of Kansas, USA)
Harry Halpin (W3C Consortium / MIT, USA)
Jeff Hancock (Cornell University, USA)
Eszter Hargittai (Northwestern University, USA)
Claudia Hauff (Delft University of Technology, Netherlands)
Brent Hecht (Northwestern University, USA)
Amaç Herdagdelen (Facebook, USA)
Itai Himelboim (University of Georgia, USA)
Tuan Anh Hoang (Singapore Management University, Singapore)
Liangjie Hong (Yahoo! Labs, USA)
Yuheng Hu (Arizona State University, USA)
David Huffaker (Google, Inc., USA)
Jeremy Hylton (Google, USA)
Renato Iannella (Semantic Identity, Australia)
Jason Jung (Yeungnam University, Republic of South Korea)
David Jurgens (University of California, Los Angeles, USA)
Sanjay Kairam (Stanford University, USA)
Jaap Kamps (University of Amsterdam, Netherlands)
Brian Keegan (Northeastern University, USA)
Sheila Kinsella (Datahug, Ireland)
Bart Knijnenburg (University of California, Irvine, USA)
Pranam Kolari (Walmart Labs, USA)
Aleksander Kolcz (Twitter, USA)
Michal Kosinski (Cambridge University, UK)
Vassilis Kostakos (University of Oulu, Finland)
Haewoon Kwak (Telefonica Research, Spain)
Mounia Lalmas (Yahoo! Labs Barcelona, Spain)
Neal Lathia (University of Cambridge, UK)
Wonjae Lee (KAIST, Republic of South Korea)
Ilias Leontiadis (Telefonica Research, Spain)
Ee-Peng Lim (Singapore Management University, Singapore)
Qiaoling Liu (Emory University, USA)
Gilad Lotan (Betaworks, USA)
Cristian Lumezanu (NEC Laboratories, USA)
Craig Macdonald (University of Glasgow, UK)
Jalal Mahmud (IBM Research - Almaden, USA)
Alice Marwick (Fordham University, USA)
Maarten Marx (University of Amsterdam, Netherlands)
Cecilia Mascolo (University of Cambridge, UK)
Hilary Mason (bitly, USA)
Diana Maynard (University of Sheffield, USA)
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Julian Mcauley (Stanford University, USA)
Richard McCreadie (University of Glasgow, UK)
Mary McGlohon (Google, Inc., USA)
Yelena Mejova (Yahoo! Labs Barcelona, Spain)
Einat Minkov (University of Haifa, Israel)
Alan Mislove (Northeastern University, USA)
Paola Monachesi (Utrecht University, Netherlands)
Eni Mustafaraj (Wellesley College, USA)
Meena Nagarajan (IBM Almaden Research Center, USA)
Karine Nahon (University of Washington, USA)
Lisa Nakamura (University of Michigan, USA)
Alice Oh (KAIST, Republic of South Korea)
Tope Omitola (Unversity of Southampton, UK)
Tore Opsahl (Imperial College London, UK)
Miles Osborne (University of Edinburgh, UK)
Xinru Page (University of California, Irvine, USA)
Aditya Pal (IBM Research, USA)
Marc Pallot (Nottingham University Business School, UK)
Juyong Park (KAIST, Republic of South Korea)
Souneil Park (University of Michigan, USA)
Sameer Patil (Helsinki Institute for Information Technology, Finland)
Igor Perisic (Linkedin, USA)
Nathaniel Poor (Independent Scholar, USA)
Ana-Maria Popescu (Pinfluencer, USA)
Vahed Qazvinian (Google Inc, USA)
Stephan Raaijmakers (TEXAR Data Science, Netherlands)
Bahareh Rahmanzadeh Heravi (Digital Enterprise Research Institute (DERI), Ireland)
Delip Rao (Johns Hopkins University, USA)
Justin Rao (Microsoft Research, USA)
Sebastian Rios (University of Chile, Chile)
Daniel Romero (Northwestern University, USA)
Matthew Rowe (Lancaster University, UK)
Adam Sadilek (University of Rochester, USA)
Evan Sandhaus (The New York Times, USA)
Christian Sandvig (University of Michigan, USA)
Christina Sauper (Facebook, USA)
Rossano Schifanella (Università degli Studi di Torino, Italy)
Pavel Serdyukov (Yandex, Russia)
Luo Si (Purdue University, USA)
Elena Simperl (University of Southampton, UK)
Sharon Small (Siena College, USA)
Marc Smith (Connected Action Consulting Group, USA)
Ramesh Srinivisan (University of California, Los Angeles, USA)
Milan Stankovic (Sépage, France)
David Stillwell (University of Cambridge, UK)
Hideaki Takeda (National Institute of Informatics, Japan)
Sean Taylor (New York University Stern School, USA)
Zachary O. Toups (Texas A&M University, USA)
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Raphael Troncy (EURECOM, France)
Oren Tsur (The Hebrew University of Jerusalem, Israel)
Sumithra Velupillai (Stockholm University, Sweden)
Jessica Vitak (University of Maryland, USA)
Yana Volkovich (Barcelona Media – Innovation Centre, Spain)
Ning Wang (Oxford Internet Institute, UK)
Yang Wang (Syracuse University, USA)
Yu Wang (Emory University, USA)
Rick Wash (Michigan State University, USA)
Mirjam Wattenhofer (Google Inc, USA)
Ingmar Weber (Qatar Computing Research Institute, Qatar)
Brooke Foucault Welles (Northeastern University, USA)
Robert West (Stanford University, USA)
Stewart Whiting (University of Glasgow, UK)
Hugh Williams (eBay, USA)
Max L. Wilson (University of Nottingham, UK)
Yvette Wohn (Michigan State University, USA)
Shaomei Wu (Facebook, USA)
Taha Yasseri (University of Oxford, UK)
Rui Zhang (Palo Alto Research Center, USA)
Elena Zheleva (LivingSocial, USA)
Auxiliary Reviewers
Jennifer Bayzick (Lehigh University, USA)
Ron Bekkerman (Carmel Ventures, USA)
Alejandro Bellogín (CWI, Netherlands)
Chandra Bhagavatula (Northwestern University, USA)
Lu Chen (Wright State University, USA)
Christophe Debruyne (Vrije Universiteit Brussels, Belgium)
Carsten Eickhoff (Delft University of Technology, Netherlands)
Daniel Gayo-Avello (University of Oviedo, Spain)
Ashutosh Jadhav (Wright State University, USA)
Shankar Kalyanaraman (New York University, USA)
Pavan Kapanipathi (Wright State University, USA)
Houda Khrouf (EURECOM, France)
Mieke Leyssens (CWI, Netherlands)
Wen Li (Delft University of Technology, Netherlands)
Lingyi Lu (Lehigh University, USA)
Sara Magliacane (VU University Amsterdam, Netherlands)
Zhiheng Mai (Syracuse University, USA)
Edgard Marx (University of Leipzig, Germany)
Satyam Mukherjee (Northwestern University, USA)
Terrence Nip (Syracuse University, USA)
Derek O'Callaghan (University College Dublin, Ireland)
Hemant Purohit (Wright State University, USA)
Matthew Purver (Queen Mary University of London, UK)
Giuseppe Rizzo (EURECOM, France)
Jerry Lamont Robinson (Syracuse University, USA)
Michael Röder (Unister GmbH, Germany)
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Saeedeh Shekarpour (University of Leipzig, Germany)
Thomas Steiner (Google Inc, Germany)
Ricardo Usbeck (Unister GmbH, Germany)
Marieke van Erp (VU University Amsterdam, Netherlands)
Cristian Vasquez (Vrije Universiteit Brussel, Belgium)
Jeroen Vuurens (Delft University of Technology, Netherlands)
Qifan Wang (Purdue University, USA)
Wenbo Wang (Wright State University, USA)
Yu Wang (Emory University, USA)
Morten Warncke-Wang (University of Minnesota, USA)
William West (Lehigh University, USA)
Yufei Xia (Lehigh University, USA)
Zaihan Yang (Lehigh University, USA)
Ning Zhang (Purdue University, USA)
Steering Committee
Eytan Adar (University of Michigan, USA)
John Breslin (NUI Galway, Ireland)
James Shanahan (Church and Duncan Group Inc., USA)
Natalie Glance (Google, USA)
Matthew Hurst (Microsoft, USA)
Nicolas Nicolov (Microsoft, USA)
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