ONCOR: ontology- and evidence-based context reasoner. - Judy Kay; William T. Niu; David J. Carmichael (IUI, 2007)

Pervasive Personalisation of Location Information: Personalised Context Ontology. - William T. Niu; Judy Kay (AH, 2008)

Location Conflict Resolution with an Ontology. - William T. Niu; Judy Kay (Pervasive, 2008)

PERSONAF: framework for personalised ontological reasoning in pervasive computing. - William T. Niu; Judy Kay (User Model. User Adapt. Interact., 2010)