Microsoft Research - Type theory and operational semantics, mostly for applications to language design, semantics, and implementation. Semantic and type-theoretic foundations of object-oriented languages. Global and mobile computation issues.
University of Sussex at Brighton - Natural language processing, stochastic lexicalized grammars, shallow parsing and knowledge extraction, parsing disambiguation and efficiency, parser evaluation, large-scale grammar and lexicon development, linguisti...
Politecnico di Milano - Extending database technology to incorporate data distribution, deductive and active rules; object-orientation design methods for data-intensive web sites.
Brown University - Influential researcher in Natural Language Processing and Artificial Intelligence. His home page features some of his publications, in postscript.