Integrating the concepts and techniques of semantic modeling and the object-oriented paradigm. - Herman Lam; Stanley Y. W. Su; Abdallah M. Alashqur (COMPSAC, 1989)

OQL: A Query Language for Manipulating Object-oriented Databases. - Abdallah M. Alashqur; Stanley Y. W. Su; Herman Lam (VLDB, 1989)

A Rule-based Language for Deductive Object-Oriented Databases. - Abdallah M. Alashqur; Stanley Y. W. Su; Herman Lam (ICDE, 1990)

A pattern-based constraint specification language for object-oriented databases. - Stanley Y. W. Su; Abdallah M. Alashqur (Compcon, 1991)

Constraint specification on object-oriented databases. - Abdallah M. Alashqur; Stanley Y. W. Su; Herman Lam (ICCL, 1992)