1. A speech-act-based office modelling approach;Auramaki;ACM Transactions on Office Information Systems,1988
2. Models: Toward integrated knowledge modeling environments;Barbuceanu;Knowledge Acquisition,1993
3. COOL: A language for describing coordination in multiagent systems;Barbuceanu,1995
4. Time-based competition;Blackburn;Business One Irwin,1991
5. CLASSIC: A structural data model for objects;Borgida,1989