Logic-based Approach for Realizing a Federated Information System. - Whan-Kyu Whang; Shamkant B. Navathe; Sharma Chakravarthy (RIDE-IMS, 1991)

Relational Schema Integration: Dealing with Inter-Relation Correspondences and Querying Over Component Relations. - Whan-Kyu Whang; Sharma Chakravarthy; Shamkant B. Navathe (Comput. Syst., 1993)

A Logic-Based Approach to Query Processing in Federated Databases. - Sharma Chakravarthy; Whan-Kyu Whang; Shamkant B. Navathe (Inf. Sci., 1994)

On Analyzing the Errors in a Selectivity Estimation Method Using a Multidimensional File Structure. - Sang-Wook Kim; Whan-Kyu Whang; Kyu-Young Whang (COMPSAC, 1998)