Conference Committee
General Cochairs
Eytan Adar (University of Michigan, USA)
Paul Resnick (University of Michigan, USA)
Program Cochairs
Munmun De Choudhury (Microso Research, USA)
Bernie Hogan (Oxford Internet Institute, UK)
Alice Oh (Korea Advanced Institute of Science and Technology, Korea)
Data Cochairs
Derek Ruths (McGill University, Canada)
Jie Tang (Tsinghua University, China)
Publicity Cochairs
Sarita Yardi Schoenebeck (University of Michigan, USA)
Brian Keegan (Northeastern University, USA)
Tutorials Cochairs
Meeyoung Cha (Korea Advanced Institute of Science and Technology, Korea)
Michael Macy (Cornell University, USA)
Webmaster
Xin Rong (University of Michigan, USA)
Senior Program Committee
Lada Adamic (Facebook, USA)
Eugene Agichtein (Emory University, USA)
Yong-Yeol Ahn (Indiana University Bloomington, USA)
Ricardo Baeza-Yates (Yahoo Labs, Spain)
Eytan Bakshy (Facebook, USA)
Jeffrey Bigham (Carnegie Mellon HCII, USA)
John Breslin (NUI Galway, Ireland)
James Caverlee (Texas A&M University, USA)
Meeyoung Cha (Korea Advanced Institute of Science and Technology, Korea)
Ed H. Chi (Google, Inc., USA)
Kevyn Collins-ompson (University of Michigan, USA)
Scott Counts (Microso Research, USA)
Elizabeth M. Daly (IBM Research, Ireland)
Jacob Eisenstein (Georgia Institute of Technology, USA)
Shelly Farnham (Microso Research, USA)
Andrea Forte (Drexel University, USA)
Eric Gilbert (Georgia Institute of Technology, USA)
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Natalie Glance (Google, USA)
Krishna Gummadi (MPI-SWS, Germany)
Ido Guy (IBM Research, USA)
Derek Hansen (Brigham Young University, USA)
Conor Hayes (Insight Centre, NUI Galway, Ireland)
Panos Ipeirotis (New York University, USA)
Alejandro Jaimes (Yahoo Labs, USA)
Karrie Karahalios (UIUC, USA)
Brian Keegan (Northeastern University, USA)
Emre Kıcıman (Microso Research, USA)
Alfred Kobsa (University of California, Irvine, USA)
Joseph Konstan (University of Minnesota, USA)
Haewoon Kwak (Qatar Computing Research Institute, Qatar)
Cliff Lampe (University of Michigan, USA)
Jimmy Lin (University of Maryland, USA)
Yu-Ru Lin (University of Pittsburgh, USA)
Rich Ling (Telenor ASA, Norway)
Bing Liu (University of Illinois at Chicago, USA)
Jalal Mahmud (IBM Research - Almaden, USA)
Winter Mason (Stevens Institute of Technology, USA)
Qiaozhu Mei (University of Michigan, USA)
Panagiotis Metaxas (Wellesley College, USA)
Andres Monroy-Hernandez (Microso Research, USA)
Sean Munson (University of Washington, USA)
Mor Naaman (Cornell Tech, USA)
Jeffrey Nichols (IBM Research, USA)
Iadh Ounis (University of Glasgow, UK)
Daniele Quercia (Yahoo Labs, Spain)
Carolyn Rose (Carnegie Mellon University, USA)
Derek Ruths (McGill University, Canada)
Amit Sheth (Wright State University, USA)
Padmini Srinivasan (e University of Iowa, USA)
Bongwon Suh (Seoul National University, Korea)
Neel Sundaresan (eBay Data Labs, USA)
Hanna Wallach (Microso Research and University of Massachusetts Amherst, USA)
Ingmar Weber (Qatar Computing Research Institute, Qatar)
Sarita Yardi Schoenebeck (University of Michigan, USA)
Yi Zhang (University of California, Santa Cruz, USA)
Program Committee
Luca Maria Aiello (Yahoo Labs, Spain)
Mohammad Ali Abbasi (Arizona State University, USA)
Omar Alonso (Microso, USA)
Giambattista Amati (Fondazione Ugo Bordoni, Italy)
Aris Anagnostopoulos (Sapienza University of Rome, Italy)
Paul André (Facebook, USA)
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Yuki Arase (Microso Research, China)
Jaime Arguello (University of North Carolina at Chapel Hill, USA)
Azin Ashkan (Technicolor Labs, USA)
Sitaram Asur (HP Labs, USA)
Yoram Bachrach (Microso Research, Cambridge, USA)
Ramnath Balasubramanyan (Twitter Inc, USA)
Roja Bandari (UCLA, USA)
Shenghua Bao (IBM China Research Lab, China)
Michael Bendersky (Google, Inc., USA)
Francesco Bonchi (Yahoo Labs, USA)
Jordan Boyd-Graber (University of Maryland, USA)
Marco Brambilla (Politecnico di Milano, Italy)
Michael Cafarella (University of Michigan, USA)
Rui Cai (Microso Research, Asia)
Licia Capra (University College London, UK)
Carlos Castillo (Qatar Computing Research Institute, Qatar)
Ciro Cattuto (ISI Foundation, Italy)
Vineet Chaoji (Amazon, USA)
Li Chen (Hong Kong Baptist University, China)
Zhiyuan Cheng (Google Research, USA)
Cindy K. Chung (Intel, USA)
Karen Church (Yahoo Labs, USA)
Aaron Clauset (University of Colorado Boulder, USA)
Gao Cong (Nanyang Technological University, Singapore)
Henriette Cramer (Yahoo Labs, USA)
Justin Cranshaw (Carnegie Mellon University, USA)
Atish Das Sarma (eBay Research Labs, USA)
Gianmarco De Francisci Morales (Yahoo Labs, Spain)
Gerard de Melo (Tsinghua University, China)
Maarten de Rijke (University of Amsterdam, Netherlands)
Gianluca Demartini (University of Fribourg, Switzerland)
Nicholas Diakopoulos (Columbia University, USA)
Jana Diesner (University of Illinois at Urbana-Champaign, USA)
Doug Downey (Northwestern University, USA)
Sameh Elnikety (Microso Research, USA)
Brian Eoff (Bitly, USA)
Hui Fang (University of Delaware, USA)
Hui Fang (Nanyang Technological University, Singapore)
Rosta Farzan (University of Pittsburgh, USA)
Song Feng (Stony Brook University, USA)
Emilio Ferrara (Indiana University Bloomington, USA)
Clay Fink (Johns Hopkins University Applied Physics Laboratory, USA)
Brooke Foucault Welles (Northeastern University, USA)
Norbert Fuhr (University of Duisburg-Essen, Germany)
Sabrina Gaito (Università degli Studi di Milano, Italy)
Michael Gamon (Microso Research, USA)
Huiji Gao (Arizona State University, USA)
Ruth Garcia (Universitat Pompeu Fabra, Spain)
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Florent Garcin (EPFL, Switzerland)
Daniel Gatica-Perez (Idiap and EPFL, Switzerland)
R. Stuart Geiger (University of California, Berkeley, USA)
Sean Goggins (University of Missouri, USA)
Manuel Gomez Rodriguez (MPI for Intelligent Systems, Germany)
Bruno Gonçalves (Aix-Marseille Université, France)
Derek Greene (University College Dublin, Ireland)
Francesco Gullo (Yahoo Labs, Spain)
Pritam Gundecha (Arizona State University, USA)
Hamed Haddadi (Queen Mary University of London, UK)
Oliver L. Haimson (University of California, Irvine, USA)
Germaine Halegoua (University of Kansas, USA)
Claudia Hauff (Del University of Technology, Netherlands)
Brent Hecht (University of Minnesota, USA)
Tuan Anh Hoang (Singapore Management University, Singapore)
Jake Hofman (Microso Research, USA)
Christopher Homan (Rochester Institute of Technology, USA)
Xia Hu (Arizona State University, USA)
Yuheng Hu (Arizona State University, USA)
Pan Hui (Hong Kong University of Science and Technology, China)
Inseok Hwang (Korea Advanced Institute of Science and Technology, Korea)
Jeremy Hylton (Google, USA)
Stratis Ioannidis (Technicolor, USA)
Dietmar Jannach (TU Dortmund, Germany)
Robert Jäschke (L3S Research Center, Germany)
David Jurgens (Sapienza University of Rome, Italy)
Jaewoo Kang (Korea University, Korea)
U Kang (Korea Advanced Institute of Science and Technology, Korea)
Sang-Wook Kim (Hanyang University, Korea)
Masahiro Kimura (Ryukoku University, Japan)
Irwin King (e Chinese University of Hong Kong, China)
Funda Kivran-Swaine (Rutgers University, USA)
Pranam Kolari (Walmart Labs, USA)
Aleksander Kolcz (Twitter, USA)
Arnd Christian König (Microso Research, USA)
Farshad Kooti (USC Information Sciences Institute, USA)
Gueorgi Kossinets (Google, USA)
Patty Kostkova (University College London, UK)
Juhi Kulshrestha (MPI-SWS, Germany)
Ponnurangam Kumaraguru (IIITD, India)
Mayank Lahiri (Google Inc, USA)
Mounia Lalmas (Yahoo Labs, USA)
Wai Lam (e Chinese University of Hong Kong, China)
Silvio Lattanzi (Google, USA)
Hady Lauw (Singapore Management University, Singapore)
David Lazer (Northeastern University, USA)
Kyumin Lee (Utah State University, USA)
Uichin Lee (Korea Advanced Institute of Science and Technology, Korea)
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Wang-Chien Lee (Pennsylvania State University, USA)
Kristina Lerman (University of Southern California, USA)
Chengkai Li (University of Texas at Arlington, USA)
David Liben-Nowell (Carleton College, USA)
Liz Liddy (Syracuse University, USA)
Ee-Peng Lim (Singapore Management University, Singapore)
Chin-Yew Lin (Microso Research Asia, China)
Jessa Lingel (Microso Research, USA)
Nelly Litvak (University of Twente, Netherlands)
Huan Liu (Arizona State University, USA)
Yue Lu (Twitter Inc., USA)
Claudio Lucchese (ISTI-CNR, Italy)
Cristian Lumezanu (NEC Laboratories, USA)
Michael Lyu (e Chinese University of Hong Kong, China)
Hao Ma (Microso Research, USA)
Alice Marwick (Fordham University, USA)
Michael Mathioudakis (Helsinki Institute for Information Technology, Finland)
Yutaka Matsuo (University of Tokyo, Japan)
Elijah Mayfield (LightSide Labs, USA)
Richard Mccreadie (University of Glasgow, UK)
Nemanja Memarovic (University of Lugano (USI), Switzerland)
Vahab Mirrokni (Google Research, USA)
Alan Mislove (Northeastern University, USA)
Tanushree Mitra (Georgia Institute of Technology, USA)
Prateek Mittal (Princeton University, USA)
Bamshad Mobasher (DePaul University, USA)
Aziz Mohaisen (Verisign Labs, USA)
Sue Moon (Korea Advanced Institute of Science and Technology, Korea)
Fred Morstatter (Arizona State University, USA)
Mirco Musolesi (University of Birmingham, UK)
Eni Mustafaraj (Wellesley College, USA)
Brendan O’Connor (Carnegie Mellon University, USA)
Michael O’Mahony (University College Dublin, Ireland)
Nuria Oliver (Telefonica Research, Spain)
Miles Osborne (Edinburgh University, UK)
Myle Ott (Facebook, USA)
Giuseppe Ottaviano (ISTI-CNR, Italy)
Xinru Page (University of California, Irvine, USA)
Aditya Pal (IBM, USA)
Weike Pan (Shenzhen University, China)
Rina Panigrahy (Microso Research, USA)
Paolo Parigi (Stanford University, USA)
Nish Parikh (eBay Research Labs, USA)
Souneil Park (Telefonica, Spain)
Michael Paul (Johns Hopkins University, USA)
Dan Pelleg (Yahoo Labs, USA)
Marco Pellegrini (Institute for Informatics and Telematics of C.N.R., Italy)
Ali Pinar (Sandia National Laboratories, USA)
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Evaggelia Pitoura (University of Ioannina, Greece)
Simone Paolo Ponzetto (University of Mannheim, Germany)
B. Aditya Prakash (Virginia Tech, USA)
Stephan Raaijmakers (Texar Data Science, USA)
Naren Ramakrishnan (Virginia Tech, USA)
Delip Rao (Johns Hopkins University, USA)
Balaraman Ravindran (Indian Institute of Technology Madras, India)
Alessandra Sala (Alcatel-Lucent Bell Labs, France)
Christian Sandvig (University of Michigan, USA)
Salvatore Scellato (Google, USA)
Milad Shokouhi (Microso Research, UK)
Stefan Siersdorfer (L3S Research Center, Germany)
Yaron Singer (Harvard Univesrity, USA)
Ian Soboroff (NIST, USA)
Junehwa Song (Korea Advanced Institute of Science and Technology, Korea)
Mauro Sozio (Télécom ParisTech, France)
Julinda Stefa (Sapienza University of Rome, Italy)
Markus Strohmaier (University of Koblenz-Landau, Germany)
Aixin Sun (Nanyang Technological University, Singapore)
Kartik Talamadupula (Arizona State University, USA)
Chenhao Tan (Cornell University, USA)
Jie Tang (Tsinghua University, China)
Jiliang Tang (Arizona State University, USA)
Lei Tang (@WalmartLabs, USA)
Hanghang Tong (City College, CUNY, USA)
Masashi Toyoda (University of Tokyo, Japan)
Panayiotis Tsaparas (University of Ioannina, Greece)
Charalampos Tsourakakis (Brown University, USA)
Oren Tsur (Harvard University and Northeastern University, USA)
Johan Ugander (Cornell University, USA)
Antti Ukkonen (Aalto University, Finland)
Sergei Vassilvitskii (Google, USA)
Michalis Vazirgiannis (AUEB, Greece)
Jessica Vitak (University of Maryland, USA)
Yana Volkovich (Barcelona Media - Innovation Centre, Spain)
Jian Wang (LinkedIn Corporation, USA)
Jianyong Wang (Tsinghua University, China)
Lu Wang (Cornell University, USA)
Mirjam Wattenhofer (Google Switzerland GmbH, Switzerland)
Furu Wei (Microso Research Asia, China)
Robert West (Stanford University, USA)
Janyce Wiebe (University of Pittsburgh, USA)
Christo Wilson (Northeastern University, USA)
Max L. Wilson (University of Nottingham, UK)
Ran Wolff (University of Haifa and Yahoo Labs, Israel)
Shaomei Wu (Facebook, USA)
Lexing Xie (Australian National University, Australia)
Shuang-Hong Yang (Twitter Inc., USA)
Tae Yano (Microso Bing, USA)
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Nicholas Jing Yuan (Microso Research, USA)
Georgios Zervas (Boston University School of Management, USA)
Amy X. Zhang (MIT, USA)
Lei Zhang (Adobe Systems Inc, USA)
Ben Zhao (University of California, Santa Barbara, USA)
Zhe Zhao (University of Michigan, USA)
Heather Zheng (University of California, Santa Barbara, USA)
Vincent W. Zheng (Advanced Digital Sciences Center, USA)
Yong Zheng (DePaul University, USA)
Feida Zhu (Singapore Management University, Singapore)
Xingquan Zhu (Florida Atlantic University, USA)
Auxiliary Reviewers
Zahra Abbasi (Arizona State University, USA)
Jisun An (University of Cambridge, UK)
Adam Canady (Carleton College, USA)
Noah Carnahan (Carleton College, USA)
Donghee Choi (Korea University, Korea)
Jaehoon Choi (Korea University, Korea)
Katja Collier (Carleton College, USA)
Matt Cotter (Carleton College, USA)
Meg Crenshaw (Carleton College, USA)
Trinh-Minh-Tri Do (Idiap Research Institute, Switzerland)
Larkin Flodin (Carleton College, USA)
Marielle Foster (Carleton College, USA)
Wenxuan Gao (Yahoo, USA)
Naeemul Hassan (e University of Texas at Arlington, USA)
Martin Hentschel (Microso, USA)
Jack Hessel (Carleton College, USA)
Joy Hill (Carleton College, USA)
Lifeng Jia (Networked Insights Inc, USA)
Isaac Jones (Arizona State University, USA)
Donghyeon Kim (Korea University, Korea)
Seongsoon Kim (Korea University, Korea)
Kari Kraus (University of Maryland, USA)
Sangrak Lim (Korea University, Korea)
Jaimie Yejean Park (Korea Advanced Institute of Science and Technology, Korea)
Darshan Santani (Idiap and EPFL, Switzerland)
Mark Tremayne (e University of Texas at Arlington, USA)
Gensheng Zhang (e University of Texas at Arlington, USA)
Matteo Zignani (Università degli Studi di Milano, Italy)
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