Multimedia Digital Libraries Services: Annotation and Semantic Indexing of Digital Objects, Metadata Management, Tools and Techniques for Navigation, Preview, Group, and Selection to Digital Objects/Collections and their Descriptions, Personalized and Adaptive Access to the Digital Content, etc., e-Learning Technologies and Standards, New Information Technologies and Environments for Distance Learning, Multimedia and Language Technologies, Knowledge and Semantic Web Technologies.

Research interests include linguistics, computational linguistics and Artificial Intelligence, with focus on building and applying computational discovery tools to diverse problems from linguistic typology, historical linguistics. Basic results include the first monograph in machine linguistic discovery; the first discovery program to present its discoveries in a scientific article (in English); machine-initiated discovery of the hypothesis of a linguistic link between Oceania and South America having far-reaching implications in science generally.