Taking the work out of workflow: Mechanisms for document-centered collaboration -- The Manufaktur: Supporting work practice in (landscape) architecture -- Six roles of documents in professionals' work -- AREA: A cross-application notification service for groupware -- Moving out of the meeting room: Exploring support for mobile meetings -- Activity Awareness: Framework for sharing knowledge of people, projects, and places -- The properties of mixed reality boundaries -- The adoption and use of BABBLE: A field study of chat in the workplace -- Meeting at the desktop: An empirical study of virtually collocated teams -- Broadcasting on-line social interaction as inhabited television -- A groupware' s life -- The network communities of SeniorNet -- GestureLaser and GestureLaser Car: Development of an embodied space to support remote instruction -- Exploring support for knowledge management in mobile work -- Dynamics in wastewater treatment: A framework for understanding formal constructs in complex technical settings -- WebDAV: A network protocol for remote collaborative authoring on the Web -- Informing collaborative information visualisation through an ethnography of ambulance control -- Moving document collections online: The evolution of a shared repository -- PSI: A Platform for Shared Interaction -- An experiment in interoperating heterogeneous collaborative systems -- NESSIE: An awareness environment for cooperative settings -- Meaning-making across remote sites: How delays in transmission affect interaction -- Augmenting the workaday world with Elvin -- Index of Authors.