University of Edinburgh - Computational linguistics, data-intensive linguistics, language corpora and corpus management, SGML, XML, XSL and DSSSL.

Jet Propulsion Laboratory - Robotics, AI, Computer Vision, Signal and Image Processing, Data Mining, Neural Networks, and Pattern Recognition

University of New South Wales - Application of logic programming, compiler technology, computers and biology, knowledge acquisition, knowledge representation, logic programming systems, program analysis, and signal recognition.

Aalborg University - Temporal database systems.

University of Udine - Knowledge based system development, student modeling, user modeling, intelligent information retrieval, intelligent information filtering.

Baruch College, The City University of New York - Temporal databases, nested relations, statistical and scientific databases, geographic information systems.

Pima Community College, Tucson, Arizona.

University of Edinburgh - Distributed computing, multithread programming and database systems.

University of The Aegean. Computer networks teaching and research.

Vrije Universiteit - Operating systems, Minix, networks, distributed systems.