Building Corporate Knowledge Through Ontology Integration. - Philip H. P. Nguyen; Dan Corbett (PKAW, 2006)

A Basic Mathematical Framework for Conceptual Graphs. - Philip H. P. Nguyen; Dan Corbett (IEEE Trans. Knowl. Data Eng., 2006)

An Ontology Formalization of Relation Type Hierarchy in Conceptual Structure Theory. - Philip H. P. Nguyen; Ken Kaneiwa; Dan Corbett; Minh-Quang Nguyen (Australasian Conference on Artificial Intelligence, 2008)

Decidable Order-Sorted Logic Programming for Ontologies and Rules with Argument Restructuring. - Ken Kaneiwa; Philip H. P. Nguyen (ISWC, 2009)

Meta-relation and ontology closure in Conceptual Structure Theory. - Philip H. P. Nguyen; Ken Kaneiwa; Dan Corbett; Minh-Quang Nguyen (Artif. Intell. Law, 2009)

Sorted hyper-predicate knowledge bases for ontologies and rules. - Ken Kaneiwa; Philip H. P. Nguyen (SAC, 2012)

An order-sorted query system for sort, predicate, and meta-predicate hierarchies. - Ken Kaneiwa; Philip H. P. Nguyen (Knowl. Inf. Syst., 2013)

Event Inference with Relation and Meta-Relation Type Hierarchies in Conceptual Structure Theory. - Philip H. P. Nguyen; Ken Kaneiwa (Appl. Artif. Intell., 2014)

A Logical and Ontological Framework for Compositional Concepts of Objects and Properties. - Ken Kaneiwa; Riichiro Mizoguchi; Philip H. P. Nguyen (New Gener. Comput., 2015)