| 347 | -- | 348 | Carla Simone, Marilyn Tremaine. Preface |
| 349 | -- | 408 | Kjeld Schmidt, Ina Wagner. Ordering Systems: Coordinative Practices and Artifacts in Architectural Design and Planning |
| 409 | -- | 441 | Allison Woodruff, Paul M. Aoki. Push-to-Talk Social Talk |
| 443 | -- | 470 | Stefan Carmien, Rogerio DePaula, Andrew Gorman, Anja Kintsch. Increasing Workplace Independence for People with Cognitive Disabilities by Leveraging Distributed Cognition among Caregivers and Clients |
| 471 | -- | 499 | Markus Rohde, Leonard Reinecke, Bernd Pape, Monique Janneck. Community-Building with Web-Based Systems - Investigating a Hybrid Community of Students |
| 501 | -- | 537 | Russell Kruger, M. Sheelagh T. Carpendale, Stacey D. Scott, Saul Greenberg. Roles of Orientation in Tabletop Collaboration: Comprehension, Coordination and Communication |
| 539 | -- | 571 | Jason Hill, Carl Gutwin. The MAUI Toolkit: Groupware Widgets for Group Awareness |
| 573 | -- | 602 | Jürgen Vogel, Werner Geyer, Li-Te Cheng, Michael J. Muller. Consistency Control for Synchronous and Asynchronous Collaboration Based on Shared Objects and Activities |
| 603 | -- | 638 | Carlos D. Correa, Ivan Marsic. Software Framework for Managing Heterogeneity in Mobile Collaborative Systems |