Interfacing Predicate Logic Languages and Relational Databases. - Upen S. Chakravarthy; Jack Minker; Duc Tran (ICLP, 1982)

Logic Programming on ZMOB: A Highly Parallel Machine. - Upen S. Chakravarthy; Simon Kasif; Madhur Kohli; Jack Minker; D. Cao (ICPP, 1982)

Processing Multiple Queries in Database Systems. - Upen S. Chakravarthy; Jack Minker (IEEE Database Eng. Bull., 1982)

Semantic Query Optimization in Expert Systems and Database Systems. - Upen S. Chakravarthy; Daniel H. Fishman; Jack Minker (Expert Database Workshop, 1984)

Semantic Query Optimization: Additional Constraints and Control Strategies. - Upen S. Chakravarthy; Jack Minker; John Grant (Expert Database Conf., 1986)

Multiple Query Processing in Deductive Databases using Query Graphs. - Upen S. Chakravarthy; Jack Minker (VLDB, 1986)

Simplifying Complex Objects: The PROBE Approach to Modelling and Querying Them. - Umeshwar Dayal; Frank Manola; Alejandro P. Buchmann; Upen S. Chakravarthy; David Goldhirsch; Sandra Heiler; Jack A. Orenstein; Arnon Rosenthal (BTW, 1987)

Foundations of Semantic Query Optimization for Deductive Databases - Upen S. Chakravarthy; John Grant; Jack Minker (Foundations of Deductive Databases and Logic Programming., 1988)

Anatomy of a Mudular Multiple Query Optimizer. - Arnon Rosenthal; Upen S. Chakravarthy (VLDB, 1988)

The HiPAC Project: Combining Active Databases and Timing Constraints. - Umeshwar Dayal; Barbara T. Blaustein; Alejandro P. Buchmann; Upen S. Chakravarthy; Meichun Hsu; R. Ledin; Dennis R. McCarthy; Arnon Rosenthal; Sunil K. Sarin; Michael J. Carey 001; Miron Livny; Rajiv Jauhari (SIGMOD Rec., 1988)

Logic-Based Approach to Semantic Query Optimization. - Upen S. Chakravarthy; John Grant; Jack Minker (ACM Trans. Database Syst., 1990)