Incomplete information in a Deductive Database. - M. Howard Williams; Quinzheng Kong (Data Knowl. Eng., 1988)

Time and Incompleteness in a Deductive Database. - M. Howard Williams; Quinzheng Kong (IPMU, 1990)

Designing SQUIRREL: An Extended SQL for a Deductive Database System. - K. G. Waugh; M. Howard Williams; Quinzheng Kong; S. Salvini; G. Chen (Comput. J., 1990)

The Indefinite Closed World Assumption. - Quinzheng Kong; M. Howard Williams; G. Chen (Data Knowl. Eng., 1994)

On Deductive Database with Incomplete Information. - Quinzheng Kong; G. Chen (ACM Trans. Inf. Syst., 1995)

Integrated TMN Service Provisioning and Management Environment. - G. Chen; Quinzheng Kong (Integrated Network Management, 1997)