An Adaptive Approach to Query Mediation Across Heterogeneous Information Sources. - Ling Liu 001; Calton Pu; Yooshin Lee (CoopIS, 1996)

Towards Interoperable Heterogeneous Information Systems: An Experiment Using the DIOM Approach. - Yooshin Lee; Ling Liu 001; Calton Pu (SAC, 1997)