Research interests

Web Science: multi-modal analysis of Web 2.0 Social Media, principles of folksonomy evolution, recognition and modeling of events in social media.

Knowledge management and Semantic Web: knowledge organization in complex distributed environments, representation and use of dynamic knowledge (provenance, change, process knowledge, uncertainty), reasoning with meta knowledge and uncertainty;

Information Retrieval: Latent semantic analysis of Web data and social media, multi-lingual retrieval.

Web Mining: focused crawling, concept-based search, automated generation and populating of thematically focused ontologies;

Simulation and Optimization: simulation-based modeling and optimization of complex systems