Iowa State University - Temporal, spatial, belief, security, statistical and incomplete data; database models, type hierarchy, languages, user interfaces, optimization, implementation and access methods; pattern matching in spatio-temporal data.
Iowa State University. Machine learning, intelligent agents, information integration, probabilistic models, and bioinformatics and computational biology.
Ontology assisted agent systems for information retrieval, extraction, and assimilation from semantically heterogeneous, distributed data and knowledge sources.