| 5249300 |
System and method of constructing models of complex business transactions using entity-set variables for ordered sets of references to user data |
Charles W. Bachman, David A. Krieger, Igor Abramovich |
1993-09-28 |
| 5212771 |
System for establishing concurrent high level and low level processes in a diagram window through process explosion and implosion subsystems |
David A. Krieger |
1993-05-18 |
| 5193182 |
Computer system for defining logical operations on design data including retrieve entity-set, send, receive, signal, when, reference to entity-set, reference to entity method, connect and disconnect |
Charles W. Bachman, David A. Krieger, John Micco, Igor Abramovich |
1993-03-09 |
| 5146591 |
Dynamic information management system utilizing entity-relationship information model in which the attribute is independent of an entity |
Charles W. Bachman, John Cimral, David A. Krieger, John Micco, Igor Abramovich |
1992-09-08 |