Zbigniew Plazak

Operating system and database with a rule language for conditionally controlled computer operation

Michael Robertson, Helge Knudsen, Daniel T. Chong, 1990 .

Operating system and database with a formed from multiple tables access structure

Helge Knudsen, Daniel T. Chong, John Yaffe, 1990 .

Operating system and database

Michael Robertson, Helge Knudsen, John Yaffe, 1990 .