1
Sara A Bly, A Brady Farrand, Jeffery D Hodges, Michael D Kupfer, Brian T Lewis, William J Maybury, Michael L Tallan, Stephen B Tom: Representation of collaborative multi-user activities relative to shared structured data objects in a networked workstation environment. Xerox Corporation, W Douglas Carothers Jr, James T Beran, April 16, 1991: US05008853 (825 worldwide citation)

A multi-user collaborative system in which the contents as well as the current status of other user activity of a shared structured data object representing one or more related structured data objects in the form of data entries can be concurrently accessed by different users respectively at differe ...


2
Sara A Bly, Jeffrey D Hodges, Michael D Kupfer, Brian T Lewis, Michael L Tallan, Stephen B Tom: Updating local copy of shared data in a collaborative system. Xerox Corporation, June 15, 1993: US05220657 (696 worldwide citation)

A multi-user collaborative system in which the contents as well as the current status of other user activity of a shared structured data object representing one or more related structured data objects in the form of data entries can be concurrently accessed by different users respectively at differe ...