Interlocus: Workspace Configuration Mechanisms for Activity Awareness. - Takahiko Nomura; Koichi Hayashi; Tan Hazama; Stephan Gudmundson (CSCW, 1998)

Temporally Threaded Workspace: A Model for Providing Activity-Based Perspectives on Document Spaces. - Koichi Hayashi; Takahiko Nomura; Tan Hazama; Makoto Takeoka; Sunao Hashimoto; Stephan Gudmundson (Hypertext, 1998)

Activity Awareness: Framework for sharing knowledge of people, projects, and places. - Koichi Hayashi; Tan Hazama; Takahiko Nomura; Toshifumi Yamada; Stephan Gudmundson (ECSCW, 1999)