Pat Hayes has a BA in mathematics from Cambridge University and a PhD in Artificial Intelligence from Edinburgh. He has been a professor of computer science at the University of Essex and philosophy at the University of Illinois, and the Luce Professor of cognitive science at the University of Rochester. He has been a visiting scholar at Universite de Geneve and the Center for Advanced Study in the Behavioral Studies at Stanford, and has directed applied AI research at Xerox-PARC, SRI and Schlumberger, Inc.. At various times, Pat has been secretary of AISB, chairman and trustee of IJCAI, associate editor of Artificial Intelligence, a governor of the Cognitive Science Society and president of AAAI.
Pat's research interests include knowledge representation and automatic reasoning, especially the representation of space and time; the semantic web; ontology design; image description and the philosophical foundations of AI and computer science. During the past decade Pat has been active in the Semantic Web initiative, largely as an invited member of the W3C Working Groups responsible for the RDF, OWL and SPARQL standards. Pat is a member of the Web Science Trust and of OASIS, where he works on the development of ontology standards.
In his spare time, Pat restores antique mechanical clocks and remodels old houses. He is also a practicing artist, with works exhibited in local competitions and international collections. Pat is a charter Fellow of AAAI and of the Cognitive Science Society, and has professional competence in domestic plumbing, carpentry and electrical work.