Dr. Angryk's research and teaching interests lie in the areas of very large databases (image and spatio-temporal databases, and kNN indexing of high-dimensional data), data mining (frequent patterns discovery, clustering, and classification of real-life large-scale data), and information retrieval (text and image data). He has published over 200 journal articles, book chapters, and peer-reviewed conference papers in these areas. His research has been sponsored by federal agencies: NASA, NSF, NGA, and industry: Intergraph Corporation, RightNow Technologies (now Oracle), with a successful grant history exceeding $15M.