| 2011 | "Dancing with the Stars, " NBA Games, Politics: An Exploration of Twitter Users' Response to Events. Ana-Maria Popescu, Marco Pennacchiotti |
| 2011 | 4chan and /b/: An Analysis of Anonymity and Ephemerality in a Large Online Community. Michael S. Bernstein, Andrés Monroy-Hernández, Drew Harry, Paul André, Katrina Panovich, Gregory G. Vargas |
| 2011 | A Bootstrapping Approach to Identifying Relevant Tweets for Social TV. Ovidiu Dan, Junlan Feng, Brian D. Davison |
| 2011 | A Machine Learning Approach to Twitter User Classification. Marco Pennacchiotti, Ana-Maria Popescu |
| 2011 | 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 |
| 2011 | An Empirical Study of Geographic User Activity Patterns in Foursquare. Anastasios Noulas, Salvatore Scellato, Cecilia Mascolo, Massimiliano Pontil |
| 2011 | An Optimized Web Feed Aggregation Approach for Generic Feed Types. David Urbansky, Sandro Reichert, Klemens Muthmann, Daniel Schuster, Alexander Schill |
| 2011 | Analyzing Political Trends in the Blogosphere. Gianluca Demartini, Stefan Siersdorfer, Sergiu Chelaru, Wolfgang Nejdl |
| 2011 | Areca: Online Comparison of Research Results. David Urbansky, Klemens Muthmann, Lars Kreisz, Alexander Schill |
| 2011 | Automatic Group-Interactive Radio Using Social-Networks of Musicians. Benjamin Fields, Christophe Rhodes, Mark d'Inverno |
| 2011 | Automatic Identification and Presentation of Twitter Content for Planned Events. Hila Becker, Feiyang Chen, Dan Iter, Mor Naaman, Luis Gravano |
| 2011 | Automatically Identifying Groups Based on Content and Collective Behavioral Patterns of Group Members. Michelle L. Gregory, Dave W. Engel, Eric Belanga Bell, Andy Piatt, Scott Dowson, Andrew J. Cowell |
| 2011 | Beyond Trending Topics: Real-World Event Identification on Twitter. Hila Becker, Mor Naaman, Luis Gravano |
| 2011 | Can the Ambiance of a Place be Determined by the User Profiles of the People Who Visit It? Lindsay T. Graham, Samuel D. Gosling |
| 2011 | Center of Attention: How Facebook Users Allocate Attention across Friends. Lars Backstrom, Eytan Bakshy, Jon M. Kleinberg, Thomas M. Lento, Itamar Rosenn |
| 2011 | Characterizing Social Relations Via NLP-Based Sentiment Analysis. Georg Groh, Jan Hauffa |
| 2011 | Classifying the Political Leaning of News Articles and Users from User Votes. Daniel Xiaodan Zhou, Paul Resnick, Qiaozhu Mei |
| 2011 | Connecting Mutually Influencing Bloggers. Aditya Pal, Jaya Kawale |
| 2011 | Creating Conversations: An Automated Dialog System. Lisa M. Gandy, Kristian J. Hammond |
| 2011 | Culture Matters: A Survey Study of Social Q&A Behavior. Jiang Yang, Meredith Ringel Morris, Jaime Teevan, Lada A. Adamic, Mark S. Ackerman |
| 2011 | Describing the Web in less than 140 Characters. Stéphane Raux, Nils Grünwald, Christophe Prieur |
| 2011 | Detecting and Tracking Political Abuse in Social Media. Jacob Ratkiewicz, Michael D. Conover, Mark R. Meiss, Bruno Gonçalves, Alessandro Flammini, Filippo Menczer |
| 2011 | Differential Adaptive Diffusion: Understanding Diversity and Learning whom to Trust in Viral Marketing. Hossam Sharara, William Rand, Lise Getoor |
| 2011 | Digital Diasporas Atlas Exploration and Cartography of Diasporas in Digital Networks. Dana Diminescu, Renault Matthieu, Bourgeois Mehdi, Mathieu Jacomy |
| 2011 | Dimensions of Self-Expression in Facebook Status Updates. Adam D. I. Kramer, Cindy K. Chung |
| 2011 | Diversity Measurement of Recommender Systems under Different User Choice Models. Zoltán Szlávik, Wojtek Kowalczyk, Martijn C. Schut |
| 2011 | Divided They Tweet: The Network Structure of Political Microbloggers and Discussion Topics. Albert Feller, Matthias Kuhnert, Timm Oliver Sprenger, Isabell M. Welpe |
| 2011 | Does Bad News Go Away Faster? Shaomei Wu, Chenhao Tan, Jon M. Kleinberg, Michael W. Macy |
| 2011 | Escaping Information Poverty through Internet Newsgroups. Laura Hasler, Ian Ruthven |
| 2011 | Event Detection in Twitter. Jianshu Weng, Bu-Sung Lee |
| 2011 | Event Summarization Using Tweets. Deepayan Chakrabarti, Kunal Punera |
| 2011 | Exploiting User Interest on Social Media for Aggregating Diverse Data and Predicting Interest. Nozomi Nori, Danushka Bollegala, Mitsuru Ishizuka |
| 2011 | Exploring Feature Definition and Selection for Sentiment Classifiers. Yelena Mejova, Padmini Srinivasan |
| 2011 | Exploring Millions of Footprints in Location Sharing Services. Zhiyuan Cheng, James Caverlee, Kyumin Lee, Daniel Z. Sui |
| 2011 | Exploring Text Virality in Social Networks. Marco Guerini, Carlo Strapparava, Gözde Özbal |
| 2011 | Extracting Meta Statements from the Blogosphere. Filipe de Sá Mesquita, Denilson Barbosa |
| 2011 | Facebook Use and Social Capital - A Longitudinal Study. Petter Bae Brandtzæg, Oded Nov |
| 2011 | Factors Affecting Response Quantity, Quality, and Speed for Questions Asked Via Social Network Status Messages. Jaime Teevan, Meredith Ringel Morris, Katrina Panovich |
| 2011 | Find Me the Right Content! Diversity-Based Sampling of Social Media Spaces for Topic-Centric Search. Munmun De Choudhury, Scott Counts, Mary Czerwinski |
| 2011 | Future Link Prediction in the Blogosphere for Recommendation. Shanchan Wu, Louiqa Raschid, William Rand |
| 2011 | Generate Adjective Sentiment Dictionary for Social Media Sentiment Analysis Using Constrained Nonnegative Matrix Factorization. Wei Peng, Dae Hoon Park |
| 2011 | Hierarchical Bayesian Models for Latent Attribute Detection in Social Media. Delip Rao, Michael J. Paul, Clayton Fink, David Yarowsky, Timothy Oates, Glen Coppersmith |
| 2011 | High Correlation between Incoming and Outgoing Activity: A Distinctive Property of Online Social Networks? Diego Sáez-Trumper, David F. Nettleton, Ricardo Baeza-Yates |
| 2011 | How Does Social Capital Affect Retweets? Raquel Recuero, Ricardo Araujo, Gabriela Zago |
| 2011 | Identifying Representative Textual Sources in Blog Networks. Karen Wade, Derek Greene, Conrad Lee, Daniel Archambault, Pádraig Cunningham |
| 2011 | Identifying Users Across Social Tagging Systems. Tereza Iofciu, Peter Fankhauser, Fabian Abel, Kerstin Bischoff |
| 2011 | Improving Text Clustering with Social Tagging. M. Eduardo Ares, Javier Parapar, Alvaro Barreiro |
| 2011 | Information Propagation on the Web: Data Extraction, Modeling and Simulation. François Nel, Marie-Jeanne Lesot, Thomas Delavallade, Philippe Capet |
| 2011 | Insights into Internet Memes. Christian Bauckhage |
| 2011 | Is Twitter a Good Place for Asking Questions? A Characterization Study. Sharoda A. Paul, Lichan Hong, Ed H. Chi |
| 2011 | Just a Click Away: Social Search and Metadata in Predicting File Discovery. N. Sadat Shami, Michael J. Muller, David R. Millen |
| 2011 | Language Matters In Twitter: A Large Scale Study. Lichan Hong, Gregorio Convertino, Ed H. Chi |
| 2011 | Large-Scale Community Detection on YouTube for Topic Discovery and Exploration. Ullas Gargi, Wenjun Lu, Vahab S. Mirrokni, Sangho Yoon |
| 2011 | Latent Set Models for Two-Mode Network Data. Christopher DuBois, James R. Foulds, Padhraic Smyth |
| 2011 | LeadLag LDA: Estimating Topic Specific Leads and Lags of Information Outlets. Ramesh Nallapati, Xiaolin Shi, Daniel A. McFarland, Jure Leskovec, Daniel Jurafsky |
| 2011 | Limits of Electoral Predictions Using Twitter. Daniel Gayo-Avello, Panagiotis Takis Metaxas, Eni Mustafaraj |
| 2011 | Location3: How Users Share and Respond to Location-Based Data on Social. Jonathan Chang, Eric Sun |
| 2011 | MODEC - Modeling and Detecting Evolutions of Communities. Mansoureh Takaffoli, Farzad Sangi, Justin Fagnan, Osmar R. Zaïane |
| 2011 | Maintaining Ties on Social Media Sites: The Competing Effects of Balance, Exchange, and Betweenness. Daniel Mauricio Romero, Brendan Meeder, Vladimir Barash, Jon M. Kleinberg |
| 2011 | Making Project Team Recommendations from Online Information Sources. Charles C. Earl, Amos Johnson, Kaakpema Yelpaala, Travis Good |
| 2011 | Mapping the Political Twitterverse: Candidates and Their Followers in the Midterms. Alexander Hanna, Ben Sayre, Leticia Bode, JungHwan Yang, Dhavan V. Shah |
| 2011 | Media Landscape in Twitter: A World of New Conventions and Political Diversity. Jisun An, Meeyoung Cha, P. Krishna Gummadi, Jon Crowcroft |
| 2011 | Memes Online: Extracted, Subtracted, Injected, and Recollected. Matthew P. Simmons, Lada A. Adamic, Eytan Adar |
| 2011 | Methods to Determine Node Centrality and Clustering in Graphs with Uncertain Structure. Joseph J. Pfeiffer III, Jennifer Neville |
| 2011 | Modeling Public Mood and Emotion: Twitter Sentiment and Socio-Economic Phenomena. Johan Bollen, Huina Mao, Alberto Pepe |
| 2011 | Modelling Action Cascades in Social Networks. Kushal Shailesh Dave, Rushi Bhatt, Vasudeva Varma |
| 2011 | More Voices Than Ever? Quantifying Media Bias in Networks. Yu-Ru Lin, James P. Bagrow, David Lazer |
| 2011 | Natural Language Processing to the Rescue? Extracting "Situational Awareness" Tweets During Mass Emergency. Sudha Verma, Sarah Vieweg, William J. Corvey, Leysia Palen, James H. Martin, Martha Palmer, Aaron Schram, Kenneth Mark Anderson |
| 2011 | Participation Maximization Based on Social Influence in Online Discussion Forums. Tao Sun, Wei Chen, Zhenming Liu, Yajun Wang, Xiaorui Sun, Ming Zhang, Chin-Yew Lin |
| 2011 | Personalized Landmark Recommendation Based on Geotags from Photo Sharing Sites. Yue Shi, Pavel Serdyukov, Alan Hanjalic, Martha A. Larson |
| 2011 | Political Polarization on Twitter. Michael D. Conover, Jacob Ratkiewicz, Matthew R. Francisco, Bruno Gonçalves, Filippo Menczer, Alessandro Flammini |
| 2011 | Proceedings of the Fifth International Conference on Weblogs and Social Media, Barcelona, Catalonia, Spain, July 17-21, 2011 Lada A. Adamic, Ricardo Baeza-Yates, Scott Counts |
| 2011 | Prominence Ranking in Graphs with Community Structure. Sibel Adali, Xiaohui Lu, Malik Magdon-Ismail, Jonathan T. Purnell |
| 2011 | RT to Win! Predicting Message Propagation in Twitter. Sasa Petrovic, Miles Osborne, Victor Lavrenko |
| 2011 | Rating Friends Without Making Enemies. Lada A. Adamic, Debra Lauterbach, ChunYuen Teng, Mark S. Ackerman |
| 2011 | Reconstruction of Threaded Conversations in Online Discussion Forums. Erik Aumayr, Jeffrey Chan, Conor Hayes |
| 2011 | Relevance Modeling for Microblog Summarization. Sanda M. Harabagiu, Andrew Hickl |
| 2011 | Scalable Event-Based Clustering of Social Media Via Record Linkage Techniques. Timo Reuter, Philipp Cimiano, Lucas Drumond, Krisztián Búza, Lars Schmidt-Thieme |
| 2011 | Searching Twitter: Separating the Tweet from the Chaff. Jonathan Hurlock, Max L. Wilson |
| 2011 | Selecting Quality Twitter Content for Events. Hila Becker, Mor Naaman, Luis Gravano |
| 2011 | Sentiment Flow Through Hyperlink Networks. Mahalia Miller, Conal Sathi, Daniel Wiesenthal, Jure Leskovec, Christopher Potts |
| 2011 | Seven Months with the Devils: A Long-Term Study of Content Polluters on Twitter. Kyumin Lee, Brian David Eoff, James Caverlee |
| 2011 | Social Influence, Popularity and Interestingness of Online Contents. Hang Maxime Ung |
| 2011 | Social Lens: Personalization Around User Defined Collections for Filtering Enterprise Message Streams. Elizabeth M. Daly, Michael J. Muller, Liang Gou, David R. Millen |
| 2011 | Socio-Spatial Properties of Online Location-Based Social Networks. Salvatore Scellato, Anastasios Noulas, Renaud Lambiotte, Cecilia Mascolo |
| 2011 | Structure and Reciprocity in Technology-Centered Q&A Communities. Ming Jiang, Tao Dong, Yung-Ju Chang |
| 2011 | Summarizing User-Contributed Comments. Elham Khabiri, James Caverlee, Chiao-Fang Hsu |
| 2011 | Supervised Topic Segmentation of Email Conversations. Shafiq R. Joty, Giuseppe Carenini, Gabriel Murray, Raymond T. Ng |
| 2011 | Taking It All In? Visual Attention in Microblog Consumption. Scott Counts, Kristie J. Fisher |
| 2011 | Task Specialization in Social Production Communities: The Case of Geographic Volunteer Work. Mikhil Masli, Reid Priedhorsky, Loren G. Terveen |
| 2011 | Technology-Mediated Citizen Science Participation: A Motivational Model. Oded Nov, Ofer Arazy, David Anderson |
| 2011 | The Effect of Mobile Platforms on Twitter Content Generation. Mathieu Perreault, Derek Ruths |
| 2011 | The Party Is Over Here: Structure and Content in the 2010 Election. Avishay Livne, Matthew P. Simmons, Eytan Adar, Lada A. Adamic |
| 2011 | The Prevalence of Political Discourse in Non-Political Blogs. Sean A. Munson, Paul Resnick |
| 2011 | Timing Tweets to Increase Effectiveness of Information Campaigns. Onkar Dabeer, Prachi Mehendale, Aditya Karnik, Atul Saroop |
| 2011 | Towards Discovery of Influence and Personality Traits through Social Link Prediction. Thin Nguyen, Dinh Q. Phung, Brett Adams, Svetha Venkatesh |
| 2011 | Tracking Visual Memes in Rich-Media Social Communities. Lexing Xie, Apostol Natsev, John R. Kender, Matthew L. Hill, John R. Smith |
| 2011 | Trends in Social Media: Persistence and Decay. Sitaram Asur, Bernardo A. Huberman, Gábor Szabó, Chunyan Wang |
| 2011 | Trust Amongst Rogues? A Hypergraph Approach for Comparing Clandestine Trust Networks in MMOGs. Muhammad Aurangzeb Ahmad, Brian Keegan, Dmitri Williams, Jaideep Srivastava, Noshir S. Contractor |
| 2011 | Trust, Reputation and the Small Firm: Building Online Brand Reputation for SMEs. Barbara Gligorijevic, Benjamin Leong |
| 2011 | TweetTracker: An Analysis Tool for Humanitarian and Disaster Relief. Shamanth Kumar, Geoffrey Barbier, Mohammad Ali Abbasi, Huan Liu |
| 2011 | TweetTrader.net: Leveraging Crowd Wisdom in a Stock Microblogging Forum. Timm Oliver Sprenger |
| 2011 | Twitter Sentiment Analysis: The Good the Bad and the OMG! Efthymios Kouloumpis, Theresa Wilson, Johanna D. Moore |
| 2011 | Two Paths of Glory - Structural Positions and Trajectories of Websites within Their Topical Territory. Dominique Cardon, Guilhem Fouetillou, Camille Roth |
| 2011 | Understanding the Demographics of Twitter Users. Alan Mislove, Sune Lehmann, Yong-Yeol Ahn, Jukka-Pekka Onnela, J. Niels Rosenquist |
| 2011 | Unearthing People from the SaND: Relationship Discovery with Social Media in the Enterprise. Adam Perer, Ido Guy, Erel Uziel, Inbal Ronen, Michal Jacovi |
| 2011 | Using Network Structure to Identify Groups in Virtual Worlds. Fahad Shah, Gita Reese Sukthankar |
| 2011 | Using Twitter to Detect and Tag Important Events in Sports Media. James Lanagan, Alan F. Smeaton |
| 2011 | Using the H-Index to Estimate Blog Authority. José Luís Devezas, Sérgio Nunes, Cristina Ribeiro |
| 2011 | Viral Actions: Predicting Video View Counts Using Synchronous Sharing Behaviors. David A. Shamma, Jude Yew, Lyndon Kennedy, Elizabeth F. Churchill |
| 2011 | What Stops Social Epidemics? Greg Ver Steeg, Rumi Ghosh, Kristina Lerman |
| 2011 | What's in a @name? How Name Value Biases Judgment of Microblog Authors. Aditya Pal, Scott Counts |
| 2011 | When the Wikipedians Talk: Network and Tree Structure of Wikipedia Discussion Pages. David Laniado, Riccardo Tasso, Yana Volkovich, Andreas Kaltenbrunner |
| 2011 | Who Should I Follow? Recommending People in Directed Social Networks. Michael J. Brzozowski, Daniel M. Romero |
| 2011 | Why do People Retweet? Anti-Homophily Wins the Day! Sofus A. Macskassy, Matthew Michelson |
| 2011 | You Are Known by How You Vlog: Personality Impressions and Nonverbal Behavior in YouTube. Joan-Isaac Biel, Oya Aran, Daniel Gatica-Perez |
| 2011 | You Are What You Tweet: Analyzing Twitter for Public Health. Michael J. Paul, Mark Dredze |