Semantics of Non-montonic Reasoning based on Perfect Model. - Fangqing Dong; Hiroshi Nakagawa (LP, 1989)

Intuitionistic Interpretation of Deductive Databases with Incomplete Information. - Fangqing Dong; Laks V. S. Lakshmanan (Formal Methods in Databases and Software Engineering, 1992)

Deductive Databases with Incomplete Information. - Fangqing Dong; Laks V. S. Lakshmanan (JICSLP, 1992)

Canonical Kripke Models and The Intuitonistic Semantics of Logic Programs (Extended Abstract). - Fangqing Dong; Laks V. S. Lakshmanan (LPNMR, 1993)

A Deductive Approach to Hypothetical Query Answering. - Fangqing Dong; Laks V. S. Lakshmanan (ILPS, 1993)

Completeness in Statechart Models for Reactive Systems. - Vangalur S. Alagar; Fangqing Dong; Ramesh Achuthan (SOFTEKS Workshop on Incompleteness and Uncertainty in Information Systems, 1993)