Stanford University - Databases: semistructured data and XML, data warehousing and heterogeneous database integration, active database systems, constraint management, rule languages and systems, issues in telecommunications networks. http://www-db.stanford.edu/people/widom.html
University of New South Wales - Neural networks, natural language processing and collection of ill-formed sentences, cognitive modelling, and combinatorial search algorithms. http://www.cse.unsw.edu.au/~billw/
Brown University - Interaction, compound and active document systems (such as OpenDoc, JavaBeans and ActiveX), object oriented programming, and programming languages. http://www.cs.brown.edu/people/pw/home.html