Semantics of Pointers, Referencing and Dereferencing with Intensional Logic - Hing-Kai Hung; Jeffery I. Zucker (LICS, 1991)

Supporting Browsing of Large Knowledge Bases. - T. Patrick Martin; Hing-Kai Hung; Chris Walmsley (DEXA, 1992)

Querying and Exploring Large Knowledge Bases. - Hing-Kai Hung; T. Patrick Martin; Janice I. Glasgow; Chris Walmsley; Michael A. Jenkins (DEXA, 1993)