1. Preface

   • Carla Simone
   • Marilyn Tremaine

   OriginalPaper Pages: 347 - 348

2. Ordering Systems: Coordinative Practices and Artifacts in Architectural Design and Planning

   • Kjeld Schmidt
   • Ina Wagner

   OriginalPaper Pages: 349 - 408

3. Push-to-Talk Social Talk

   • Allison Woodruff
   • Paul M. Aoki

   OriginalPaper Pages: 409 - 441

4. Increasing Workplace Independence for People with Cognitive Disabilities by Leveraging Distributed Cognition among Caregivers and Clients

   • Stefan Carmien
   • Rogério DePaula
   • Anja Kintsch

   OriginalPaper Pages: 443 - 470

5. Community-Building with Web-Based Systems – Investigating a Hybrid Community of Students

   • Markus Rohde
   • Leonard Reinecke
   • Monique Janneck

   OriginalPaper Pages: 471 - 499

6. Roles of Orientation in Tabletop Collaboration: Comprehension, Coordination and Communication

   • Russell Kruger
   • Sheelagh Carpendale
   • Saul Greenberg

   OriginalPaper Pages: 501 - 537

7. The MAUI Toolkit: Groupware Widgets for Group Awareness

   • Jason Hill
   • Carl Gutwin

   OriginalPaper Pages: 539 - 571

8. Consistency Control for Synchronous and Asynchronous Collaboration Based on Shared Objects and Activities

   • Jürgen Vogel
   • Werner Geyer
   • Michael Muller

   OriginalPaper Pages: 573 - 602

9. Software Framework for Managing Heterogeneity in Mobile Collaborative Systems

   • Carlos D. Correa
   • Ivan Marsic

   OriginalPaper Pages: 603 - 638