Conference Program

Wednesday, May 27

9:00 - 9:15: Awards and Opening Remarks
Daniele Quercia, General Chair

09:15 - 10:30: Keynote Address: Andrew Campbell

10:30 - 11: Coffee Break

11:00 - 12:30: Session I
News and Politics

26: Fair and Balanced? Quantifying Media Bias through Crowdsourced Content Analysis
Ceren Budak, Sharad Goel, Justin Rao

27: Dissecting the Spirit of Gezi: Emergence vs. Selection in the Occupy Gezi Movement
Ceren Budak, Duncan Watts

125: Breaking the News: First Impressions Matter on Online News
Julio Reis, Fabrício Benevenuto, Pedro Olmo, Raquel Prates, Haewoon Kwak, Jisun An

128: Voting Behaviour and Power in Online Democracy: A Study of LiquidFeedback in Germany's Pirate Party
Christoph Carl Kling, Jérôme Kunegis, Heinrich Hartmann, Markus Strohmaier, Steffen Staab

315: Comparing Events Coverage in Online News and Social Media: The Case of Climate Change
Alexandra Olteanu, Carlos Castillo, Nicholas Diakopoulos, Karl Aberer

366: Editorial Algorithms: Using Social Media to Discover and Report Local News
Raz Schwartz, Mor Naaman, Rannie Teodoro

419: Popularity Dynamics and Intrinsic Quality in Reddit and Hacker News
Greg Stoddard

12:30 - 2:00: Lunch Break

2:00 – 3:30: Session II
User Engagement

2: Understanding Engagement and Willingness to Speak Up in Social-Television: A Full-Season, Cross-Genre Analysis of TV Audience Participation on Twitter
Fabio Giglietto, Giovanni Boccia Artieri, Laura Gemini, Mario Orefice

12: Modeling Response Time in Digital Human Communication
Nicholas Navaroli, Padhraic Smyth

31: Predicting User Engagement on Twitter with Real-World Events
Yuheng Hu, Shelly Farnham, Kartik Talamadupula

155: Characterizing Silent Users in Social Media Communities
Wei Gong, Ee-Peng Lim, Feida Zhu

195: Emotions and Social Movement Engagement on Twitter
Amanda Jean Stevenson

297: Why We Filter Our Photos and How It Impacts Engagement
Saeideh Bakhshi, David A. Shamma, Lyndon Kennedy, Eric Gilbert

298: Coordination and Efficiency in Decentralized Collaboration
Daniel M. Romero, Dan Huttenlocher, Jon Kleinberg

3:30 - 4:00: Coffee Break

4:00 – 5:15: Session III

117: User Effort and Network Structure Mediate Access to Information in Networks
Jeon-Hyung Kang, Kristina Lerman

204: Patterns in Interactive Tagging Networks
Yuto Yamaguchi, Mitsuo Yoshida, Christos Faloutsos, Hiroyuki Kitagawa

280: DUKE: A Solution for Discovering Neighborhood Patterns in Ego Networks
Syed Agha Muhammad, Kristof Van Laerhoven

333: Multilayer Brokerage in Geo-Social Networks
Desislava Hristova, Pietro Panzarasa, Cecilia Mascolo

425: Impact of Entity Disambiguation Errors on Social Network Properties
Jana Diesner, Craig S. Evans, Jinseok Kim

541: WhichStreams: A Dynamic Approach for Focused Data Capture from Large Social Media
Thibault Gisselbrecht, Ludovic Denoyer, Patrick Gallinari, Sylvain Lamprier

6:00 – 8:00 PM: Opening Reception, Britain Williams Room, Somerville College

Thursday, May 28

9:00 – 10:30: Session IV
Space and Place

35: Towards Lifestyle Understanding: Predicting Home and Vacation Locations from User’s Online Photo Collections
Danning Zheng, Tianran Hu, Quanzeng You, Henry Kautz, Jiebo Luo

275: Taxonomy-Based Discovery and Annotation of Functional Areas in the City
Carmen Vaca, Daniele Quercia, Francesco Bonchi, Piero Fraternali

276: Like Partying? Your Face Says It All. Predicting the Ambiance of Places with Profile Pictures
Miriam Redi, Daniele Quercia, Lindsay T. Graham, Samuel D. Gosling

281: Where is the Soho of Rome? Measures and Algorithms for Finding Similar Neighborhoods in Cities
Géraud Le Falher, Aristides Gionis, Michael Mathioudakis

320: Smelly Maps: The Digital Life of Urban Smellscapes
Daniele Quercia, Rossano Schifanella, Luca Maria Aiello, Kate McLean

388: Geolocation Prediction in Twitter Using Social Networks: A Critical Analysis and Review of Current Practice
David Jurgens, Tyler Finnethy, James McCorriston, Yi Tian Xu, Derek Ruths

404: Where in the %#&! Are You? Twitter, Place, and the Nuances of Knowing with Big Data
Darren Stevenson

10:30 - 11:00: Coffee Break

11:00 – 12:30: Session V
Communities, Personality, and Taste

22: Making Use of Derived Personality: The Case of Social Media Ad Targeting
Jilin Chen, Eben Haber, Ruogu Kang, Gary Hsieh, Jalal Mahmud

34: Understanding Musical Diversity via Online Social Media
Minsu Park, Ingmar Weber, Mor Naaman, Sarah Vieweg

62: Inferring Sentiment from Web Images with Joint Inference on Visual and Social Cues: A Regulated Matrix Factorization Approach
Yilin Wang, Yuheng Hu, Subbarao Kambhampati, Baoxin Li

74: It's a Man's Wikipedia? Assessing Gender Inequality in an Online Encyclopedia
Claudia Wagner, David Garcia, Mohsen Jadidi, Markus Strohmaier

76: Conducting Massively Open Online Social Experiments with Volunteer Science
Jason Radford, Brian Keegan, Jefferson Hoye, Ceyhun Karbeyaz, Katherine Ognyanova, Brooke Foucault Welles, Waleed Meleis, David Lazer

202: Self-Characterized Illness Phase and Information Needs of Participants in an Online Cancer Forum
Jordan Eschler, Zakariya Dehlawi, Wanda Pratt

370: Antisocial Behavior in Online Discussion Communities
Justin Cheng, Cristian Danescu-Niculescu-Mizil, Jure Leskovec

12:30 - 2:00: Lunch Break

2:00 – 3:30: Session VI
Topics and Language

68: Hierarchical Estimation Framework of Multi-Label Classifying: A Case of Tweets Classifying into Real Life Aspects
Shuhei Yamamoto, Tetsuji Satoh

78: Predicting Speech Acts in MOOC Forum Posts
Jaime Arguello, Kyle Shaffer

85: Linguistic Bias in Collaboratively Produced Biographies: Crowdsourcing Social Stereotypes?
Jahna Otterbacher

336: On Analyzing Hashtags in Twitter
Paolo Ferragina, Francesco Piccinno, Roberto Santoro

436: Don't Let Me Be #Misunderstood: Linguistically Motivated Algorithm for Predicting the Popularity of Textual Memes
Oren Tsur, Ari Rappoport

442: Values in Words: Using Language to Evaluate and Understand Personal Values
Ryan L. Boyd, Steven R. Wilson, James W. Pennebaker, Michal Kosinski, David J. Stillwell, Rada Mihalcea

487: Analysis and Prediction of Question Topic Popularity in Community Q&A Sites: A Case Study of Quora
Suman Kalyan Maity, Jot Sarup Singh Sahni, Animesh Mukherjee

3:30 - 4:00: Coffee Break

4:00 – 4:45: Session VII
Event Detection

137: A Bayesian Graphical Model to Discover Latent Events from Twitter
Wei Wei, Kenneth Joseph, Wei Lo, Kathleen M. Carley

237: SEEFT: Planned Social Event Discovery and Attribute Extraction by Fusing Twitter and Web Content
Yu Wang, David Fink, Eugene Agichtein

257: Degeneracy-Based Real-Time Sub-Event Detection in Twitter Stream
Polykarpos Meladianos, Giannis Nikolentzos, François Rousseau, Yannis Stavrakas, Michalis Vazirgiannis

4:45 - 5:30: Town Hall Meeting

6:00 - 8:00PM: ICWSM-15 Poster/Demo Session

Friday, May 29

9:00 - 10:30: Keynote Address: Usman Haque

10:30 - 11:00: Coffee Break

11:00 – 12:30: Session VIII
Popularity and Sociality

30: How Viral are Viral Videos?
Christian Bauckhage, Fabian Hadiji, Kristian Kersting

166: Are People Really Social on Porn 2.0?
Gareth Tyson, Yehia Elkhatib, Nishanth Sastry, Steve Uhlig

176: An Image is Worth More than a Thousand Favorites: Surfacing the Hidden Beauty of Flickr Pictures
Rossano Schifanella, Miriam Redi, Luca Maria Aiello

179: Characterizing Information Diets of Social Media Users
Juhi Kulshrestha, Muhammad Bilal Zafar, Lisette Espín Noboa, Krishna P. Gummadi, Saptarshi Ghosh

180: The Lifecyle of a Youtube Video: Phases, Content and Popularity
Honglin Yu, Lexing Xie, Scott Sanner

385: The International Affiliation Network of YouTube Trends
Edward L. Platt, Rahul Bhargava, Ethan Zuckerman

446: Audience Analysis for Competing Memes in Social Media
Samuel Carton, Souneil Park, Nicole Zeffer, Eytan Adar, Qiaozhu Mei, Paul Resnick

12:30 - 2:00: Lunch Break

2:00 – 3:30: Session IX
Quality, Crowds, and Money

91: Leveraging Product Adopter Information from Online Reviews for Product Recommendation
Jinpeng Wang, Wayne Xin Zhao, Yulan He, Xiaoming Li

116: Understanding Lending Behaviors on Online Microlending Platforms: The Case for Kiva
Gaurav Paruthi, Enrique Frias-Martinez, Vanessa Frias-Martinez

132: Analyzing and Modeling Special Offer Campaigns in Location Based Social Networks
Ke Zhang, Konstantinos Pelechrinis, Theodoros Lappas

185: Project Recommendation Using Heterogeneous Traits in Crowdfunding
Vineeth Rakesh, Jaegul Choo, Chandan K. Reddy

304: Crowds, Gigs, and Super Sellers: A Measurement Study of a Supply-Driven Crowdsourcing Marketplace
Hancheng Ge, James Caverlee, Kyumin Lee

398: CREDBANK: A Large-Scale Social Media Corpus with Associated Credibility Annotations
Tanushree Mitra, Eric Gilbert

438: Misalignment between Supply and Demand of Quality Content in Peer Production Communities
Morten Warncke-Wang, Vivek Ranjan, Loren Terveen, Brent Hecht

3:30 - 4:00: Coffee Break

4:00 – 5:15: Session X
Privacy and Censorship

144: Predicting Privacy Behavior on Online Social Networks
Cailing Dong, Hongxia Jin, Bart P. Knijnenburg

289: Privacy and the City: User Identification and Location Semantics in Location-Based Social Networks
Luca Rossi, Matthew J. Williams, Christoph Stich, Mirco Musolesi

290: On the k-Anonymization of Time-Varying and Multi-Layer Social Graphs
Luca Rossi, Mirco Musolesi, Andrea Torsello

314: The Many Shades of Anonymity: Characterizing Anonymous Social Media Content
Denzil Correa, Leandro Araújo Silva, Mainack Mondal, Fabrício Benevenuto, Krishna P. Gummadi

396: Algorithmically Bypassing Censorship on Sina Weibo with Nondeterministic Homophone Substitutions
Chaya Hiruncharoenvate, Zhiyuan Lin, Eric Gilbert

537: “I Didn’t Sign Up for This!”: Informed Consent in Social Network Research
Luke Hutton, Tristan Henderson

5:15 - 5:30: Closing Remarks
Daniele Quercia, General Chair