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 ...


3
Ricardo Labiaga, Spencer Shepler, Michael D Kupfer: Method and system for consolidating related partial operations into a transaction log. Sun Microsystems, Beyer Weaver & Thomas, February 6, 2001: US06185615 (18 worldwide citation)

Improved logging techniques that produce transaction logs are disclosed. The logging techniques are able to consolidate multiple related partial operations performed on a server device into a single log entry in a transaction log. Accordingly, the logging techniques are well suited for logging opera ...


4
Michael D Kupfer: Mandatory locking mechanisms for UNIX file systems. Sun Microsystems, Beyer Weaver & Thomas, May 9, 2002: US20020055923-A1

Techniques for implementing mandatory locks for UNIX file systems are disclosed. The mandatory locks can provide similar features as the locking features provided in Windows computing environments. Mandatory locks can be defined and enforced in a secure UNIX computing environment. As a result, Windo ...