| 2009 | JAM: Joint Action Matrix Factorization for Summarizing a Temporal Heterogeneous Social Network. | Yu-Ru Lin, Hari Sundaram, Aisling Kelliher |
| 2009 | You Are Where You Edit: Locating Wikipedia Contributors through Edit Histories. | Michael D. Lieberman, Jimmy Lin |
| 2009 | Connecting Users with Similar Interests across Multiple Web Services. | Haewoon Kwak, Hwa-Yong Shin, Jong-Il Yoon, Sue B. Moon |
| 2009 | CourseRank: A Closed-Community Social System through the Magnifying Glass. | Georgia Koutrika, Benjamin Bercovitz, Filip Kaliszan, Henry Liou, Hector Garcia-Molina |
| 2009 | Detecting Topic Drift with Compound Topic Models. | Dan Knights, Michael C. Mozer, Nicolas Nicolov |
| 2009 | Analyzing and Predicting Community Preference of Socially Generated Metadata: A Case Study on Comments in the Digg Community. | Elham Khabiri, Chiao-Fang Hsu, James Caverlee |
| 2009 | Targeting Sentiment Expressions through Supervised Ranking of Linguistic Configurations. | Jason S. Kessler, Nicolas Nicolov |
| 2009 | A Categorical Model for Discovering Latent Structure in Social Annotations. | Said Kashoob, James Caverlee, Ying Ding |
| 2009 | Using Transactional Information to Predict Link Strength in Online Social Networks. | Indika Kahanda, Jennifer Neville |
| 2009 | Attentio Brand Maps. | Frizo Janssens |
| 2009 | I Think You Know Who I Am: Bloggers' Perceived Identifiability. | Chyng-Yang Jang, Michael Stefanone |
| 2009 | MakeMyPage: Social Media Meets Automatic Content Generation. | Francisco Iacobelli, Kristian J. Hammond, Larry Birnbaum |
| 2009 | Predicting Outcome for Collaborative Featured Article Nomination in Wikipedia. | Meiqun Hu, Ee-Peng Lim, Ramayya Krishnan |
| 2009 | Diversity of User Activity and Content Quality in Online Communities. | Tad Hogg, Gbor Szab |
| 2009 | Stochastic Models of User-Contributory Web Sites. | Tad Hogg, Kristina Lerman |
| 2009 | Personal Information Management vs. Resource Sharing: Towards a Model of Information Behavior in Social Tagging Systems. | Markus Heckner, Michael Heilemann, Christian Wolff |
| 2009 | Blogging Together: An Examination of Group Blogs. | Marti A. Hearst, Susan T. Dumais |
| 2009 | Content Based Recommendation and Summarization in the Blogosphere. | Ahmed Hassan Awadallah, Dragomir R. Radev, Junghoo Cho, Amruta Joshi |
| 2009 | Network Analysis of an Emergent Massively Collaborative Creation Community: How Can People Create Videos Collaboratively without Collaboration? | Masahiro Hamasaki, Hideaki Takeda, Tom Hope, Takuichi Nishimura |
| 2009 | Characterization of FriendFeed - A Web-based Social Aggregation Service. | Trinabh Gupta, Sanchit Garg, Anirban Mahanti, Niklas Carlsson, Martin F. Arlitt |
| 2009 | Stylometric Analysis of Bloggers' Age and Gender. | Sumit Goswami, Sudeshna Sarkar, Mayur Rustagi |
| 2009 | Modeling Blog Dynamics. | Michaela Goetz, Jure Leskovec, Mary McGlohon, Christos Faloutsos |
| 2009 | Large Scale Book Annotation with Social Tags. | Sharon Givon, Victor Lavrenko |
| 2009 | What Are They Blogging About? Personality, Topic and Motivation in Blogs. | Alastair J. Gill, Scott Nowson, Jon Oberlander |
| 2009 | Leaders and Negotiators: An Influence-based Metric for Rank. | Rumi Ghosh, Kristina Lerman |