Type Consistency of Queries in an Object-Oriented Database System. - Dave D. Straube; M. Tamer Özsu (OOPSLA/ECOOP, 1990)

Queries and Query Processing in Object-Oriented Database Systems. - Dave D. Straube; M. Tamer Özsu (ACM Trans. Inf. Syst., 1990)

Execution Plan Generation for an Object-Oriented Dat Model. - Dave D. Straube; M. Tamer Özsu (DOOD, 1991)

Query Optimization and Execution Plan Generation in Object-Oriented Data Management Systems. - Dave D. Straube; M. Tamer Özsu (IEEE Trans. Knowl. Data Eng., 1995)