Full Papers
| Trust Amongst Rogues? A Hypergraph Approach for Comparing Clandestine Trust Networks in MMOGs | |
| Muhammad Aurangzeb Ahmad, Brian Keegan, Dmitri Williams, Jaideep Srivastava, Noshir Contractor |
| Center of Attention: How Facebook Users Allocate Attention across Friends | |
| Lars Backstrom, Eytan Bakshy, Jon M. Kleinberg, Thomas M. Lento, Itamar Rosenn |
| Timing Tweets to Increase Effectiveness of Information Campaigns | |
| Onkar Dabeer, Prachi Mehendale, Aditya Karnik, Atul Saroop |
| Dimensions of Self-Expression in Facebook Status Updates | |
| Adam D. I. Kramer, Cindy K. Chung |
| When the Wikipedians Talk: Network and Tree Structure of Wikipedia Discussion Pages | |
| David Laniado, Riccardo Tasso, Yana Volkovich, Andreas Kaltenbrunner |
| An Assessment of Intrinsic and Extrinsic Motivation on Task Performance in Crowdsourcing Markets | |
| Jakob Rogstadius, Vassilis Kostakos, Aniket Kittur, Boris Smus, Jim Laredo, Maja Vukovic |
| Diversity Measurement of Recommender Systems under Different User Choice Models | |
| Zoltán Szlávik, Wojtek Kowalczyk, Martijn Schut |
Poster Papers
| Divided They Tweet: The Network Structure of Political Microbloggers and Discussion Topics | |
| Albert Feller, Matthias Kuhnert, Timm O. Sprenger, Isabell M. Welpe |
| Summarizing User-Contributed Comments | |
| Elham Khabiri, James Caverlee, Chiao-Fang Hsu |
| Twitter Sentiment Analysis: The Good the Bad and the OMG! | |
| Efthymios Kouloumpis, Theresa Wilson, Johanna Moore |
| Connecting Mutually Influencing Bloggers | |
| Aditya Pal, Jaya Kawale |
| Maintaining Ties on Social Media Sites: The Competing Effects of Balance, Exchange, and Betweenness | |
| Daniel Mauricio Romero, Brendan Meeder, Vladimir Barash, Jon Kleinberg |
| Viral Actions: Predicting Video View Counts Using Synchronous Sharing Behaviors | |
| David A. Shamma, Jude Yew, Lyndon Kennedy, Elizabeth F. Churchill |
| Does Bad News Go Away Faster? | |
| Shaomei Wu, Chenhao Tan, Jon Kleinberg, Michael Walton Macy |
| Tracking Visual Memes in Rich-Media Social Communities | |
| Lexing Xie, Apostol Natsev, John R. Kender, Matthew Hill, John R. Smith |
Demonstration Papers
| TweetTracker: An Analysis Tool for Humanitarian and Disaster Relief | |
| Shamanth Kumar, Geoffrey Barbier, Mohammad Ali Abbasi, Huan Liu |
| Areca: Online Comparison of Research Results | |
| David Urbansky, Klemens Muthmann, Lars Kreisz, Alexander Schill |
Workshop on Social Innovation and Social Media
| Social Innovation Meets Social Media: A Framework Proposal | |
| Ricard Ruiz de Querol, Karolin Kappler, Andreas Kaltenbrunner, Yana Volkovich, David Laniado |
| Social Media Revisited. User Generated Content as a Social Innovation for eInclusion | |
| Christoph Kaletka, Ralf Kopp, Bastian Pelka |
Workshop on the Social Mobile Web
| Asked and Answered: On Qualities and Quantities of Answers in Online Q&A Sites | |
| John Logie, Joseph Weinberg, F. Maxwell Harper, Joseph A. Konstan |