Iowa State University. Machine learning, intelligent agents, information integration, probabilistic models, and bioinformatics and computational biology.
Yahoo! Research Labs. Electronic commerce, internet statistics, uncertain reasoning, decision theory, market approaches to group coordination, multiagent systems.
Brown University. Part-of-speech tagging, probabilistic context-free grammar induction, syntactic disambiguation through word statistics, efficient syntactic parsing, and lexical resource acquisition through statistical means.
Researcher in Knowledge Representation and Reasoning Systems. Co-designer and developer of CLASSIC and Chimaera among others. Associate Director of the Knowledge Systems Laboratory at Stanford University.