| 2009 | A view from Mount Olympus: the impact of activity tracking tools on the character and practice of moderation. David Gurzick, Kevin F. White, Wayne G. Lutters, Lee Boot |
| 2009 | All My People Right Here, Right Now: management of group co-presence on a social networking site. Airi Lampinen, Sakari Tamminen, Antti Oulasvirta |
| 2009 | Analysis of tag within online social networks. Chao Wu, Bo Zhou |
| 2009 | Automated discovery of social networks in text-based online communities. Anatoliy A. Gruzd |
| 2009 | CIVIL: support geo-collaboration with information visualization. Anna Wu, Xiaolong Zhang, Gregorio Convertino, John M. Carroll |
| 2009 | COVE: a visual environment for multidisciplinary science collaboration. Keith Grochow |
| 2009 | Cluestr: mobile social networking for enhanced group communication. Reto Grob, Michael Kuhn, Roger Wattenhofer, Martin Wirz |
| 2009 | Collaborative feed reading in a community. Neta Aizenbud-Reshef, Ido Guy, Michal Jacovi |
| 2009 | Contribution, commercialization & audience: understanding participation in an online creative community. Eric C. Cook, Stephanie D. Teasley, Mark S. Ackerman |
| 2009 | Creativity support in IT research organization. Priyamvada Tripathi |
| 2009 | Cross-organizational information reuse: a third vision of collaborative memory in the enterprise. Kevin F. White |
| 2009 | Effects of feedback and peer pressure on contributions to enterprise social media. Michael J. Brzozowski, Thomas Sandholm, Tad Hogg |
| 2009 | Emergent team coordination: from fire emergency response practice to a non-mimetic simulation game. Phoebe O. Toups Dugas, Andruid Kerne, William A. Hamilton, Alan Blevins |
| 2009 | Enhancing information scent: identifying and recommending quality tags. Shaoke Zhang, Umer Farooq, John M. Carroll |
| 2009 | Exploring bilingual, task-oriented, document-centric chat. Hao Jiang, Kevin Singley |
| 2009 | Exploring the use of Wikis for information sharing in interdisciplinary design. Ammy Jiranida Phuwanartnurak |
| 2009 | Expressing territoriality in collaborative activity. Jennifer Thom-Santelli |
| 2009 | For a science of group interaction. Gerry Stahl |
| 2009 | Grounding interpersonal privacy in mediated settings. Natalia A. Romero, Panos Markopoulos |
| 2009 | GroupMind: supporting idea generation through a collaborative mind-mapping tool. Patrick C. Shih, David H. Nguyen, Sen H. Hirano, David F. Redmiles, Gillian R. Hayes |
| 2009 | How and why people Twitter: the role that micro-blogging plays in informal communication at work. Dejin Zhao, Mary Beth Rosson |
| 2009 | I felt like a contributing member of the class: increasing class participation with classcommons. Honglu Du, Mary Beth Rosson, John M. Carroll, Craig H. Ganoe |
| 2009 | Image, appearance and vanity in the use of media spaces and video conference systems. José Eurico de Vasconcelos Filho, Kori M. Inkpen, Mary Czerwinski |
| 2009 | Implementing new ways of working: interventions and their effect on the use of an electronic medication record. Maren Sander Granlien, Morten Hertzum |
| 2009 | Improving personal privacy in social systems with people-tagging. Maryam Najafian Razavi, Lee Iverson |
| 2009 | Information handover in time-critical work. Aleksandra Sarcevic, Randall S. Burd |
| 2009 | Is Wikipedia growing a longer tail? Shyong K. Lam, John Riedl |
| 2009 | Lazy scheduling of processing and transmission tasks in collaborative systems. Sasa Junuzovic, Prasun Dewan |
| 2009 | Locating patient expertise in everyday life. Andrea Civan, David W. McDonald, Kenton T. Unruh, Wanda Pratt |
| 2009 | Member behavior in company online communities. Vanessa Rood, Amy S. Bruckman |
| 2009 | Motivated by information: information about online collective action as an incentive for participation. Judd Antin |
| 2009 | Musical fingerprints: collaboration around home media collections. Robin Sease, David W. McDonald |
| 2009 | Open innovation and the solver community. Margarida Cardoso, Isabel Ramos |
| 2009 | Personalized retrieval in social bookmarking. Scott Bateman, Michael J. Muller, Jill Freyne |
| 2009 | Presence & placement: exploring the benefits of multiple shared displays on an intellective sensemaking task. Christopher Plaue, John T. Stasko |
| 2009 | Probing the potential of non-verbal group communication. Petra Sundström, Tove Jaensson, Kristina Höök, Alina Pommeranz |
| 2009 | Proceedings of the 2009 International ACM SIGGROUP Conference on Supporting Group Work, GROUP 2009, Sanibel Island, Florida, USA, May 10-13, 2009 Stephanie D. Teasley, Erling C. Havn, Wolfgang Prinz, Wayne G. Lutters |
| 2009 | Social performances: understanding the motivations for online participatory behavior. Jude Yew |
| 2009 | Spreading the honey: a system for maintaining an online community. Rosta Farzan, Joan Morris DiMicco, Beth Brownholtz |
| 2009 | Supporting and transforming leadership in online creative collaboration. Kurt Luther |
| 2009 | Supporting collaborative sensemaking in map-based emergency management and planning. Anna Wu, Xiaolong Zhang |
| 2009 | Supporting group decisions by mediating deliberation to improve information pooling. Joshua Introne |
| 2009 | Supporting transitions in work: informing large display application design by understanding whiteboard use. Anthony Tang, Joel Lanir, Saul Greenberg, Sidney S. Fels |
| 2009 | Temporal patterns of communication: media combos. Norman Makoto Su |
| 2009 | The dissemination of knowledge management. Hiroko Wilensky, David F. Redmiles, Norman Makoto Su |
| 2009 | The influence of boundary objects on group collaboration in construction project teams. Andreas F. Phelps, Madhu C. Reddy |
| 2009 | Toward technologies that support family reflections on health. Andrea Grimes, Desney S. Tan, Dan Morris |
| 2009 | Towards a better understanding of group forking dynamics in virtual contexts. Qing Li |
| 2009 | Translating social support practices into online services for family caregivers. Matthieu Tixier, Gérald Gaglio, Myriam Lewkowicz |
| 2009 | Two peers are better than one: aggregating peer reviews for computing assignments is surprisingly accurate. Ken Reily, Pam Ludford Finnerty, Loren G. Terveen |
| 2009 | Usability heuristics for networked multiplayer games. David Pinelle, Nelson Wong, Tadeusz Stach, Carl Gutwin |
| 2009 | Validation of an inventory of social connectedness. Amy L. Gonzales |
| 2009 | WaterCooler: exploring an organization through enterprise social media. Michael J. Brzozowski |
| 2009 | When social networks cross boundaries: a case study of workplace use of facebook and linkedin. Meredith M. Skeels, Jonathan Grudin |
| 2009 | Wikipedians are born, not made: a study of power editors on Wikipedia. Katherine A. Panciera, Aaron Halfaker, Loren G. Terveen |