Publications
2006. Balancing Systematic and Flexible Exploration of Social Networks. IEEE Transactions on Visualization and Computer Graphics. 12(5):693-700.
2009. Integrating Statistics and Visualization for Exploratory Power: From Long-Term Case Studies to Design Guidelines. IEEE Computer Graphics and Applications. 29(3):39-51.
2006. Using rhythms of relationships to understand e‐mail archives. Journal of the American Society for Information Science and Technology. 57(14):1936-1948.
1993. Logic and Artificial Intelligence: A New Synthesis? ANNALES-SOCIETATIS MATHEMATICAE POLONAE SERIES 4. 18:297-297.
1995. Consciousness and complexity: the cognitive quest. Annals of Mathematics and Artificial Intelligence. 14(2):309-321.
1986. Self-reference, knowledge, belief, and modality. Proc 5th National Conference on AI. :416-420.
1988. Languages with self-reference II : Knowledge, belief, and modality. Artificial Intelligence. 34(2):179-212.
1994. Meta-languages, reflection principles and self-reference. Handbook of logic in artificial intelligence and logic programming. :323-358.
1976. An application of compiler simulation at the source language level. The Computer Journal. 19(1):90-90.
1994. What Experts Deny, Novices Must Understand. In 3rd International Workshop on Human and Machine Cognition.