Semantic multimedia analysis: techniques to (semi-) automatically extract semantic metadata from multimedia content, mapping of low-level features to high level concepts, concept learning, classification, spatiotemporal segmentation.

Multimedia indexing and retrieval: extraction of low-level features for multimedia content description, metadata format for higher-level concepts, MPEG-7 standard, search engines for multimedia content, relevance feedback techniques.

Multimedia and the Semantic Web: integration of multimedia analysis techniques with semantic web approaches, employment of semantic web technologies to improve the performance and efficiency of multimedia analysis.

Knowledge structures, languages and tools for multimedia: extension of Semantic Web languages with multimedia descriptions (MPEG-7 features), rules and relations for multimedia analysis.

Reasoning and personalization for multimedia applications: reasoning techniques to improve multimedia analysis, remove uncertainty and integrate different analysis results, rules and relations based on spatiotemporal constraints.

eHealth and Medical Imaging: Semantic web technologies for medical applications, knowledge structures for biomedical data, intelligence processing and reasoning for diagnosis assistance and risk assessment, semantic processing of multimedia medical databases, feature extraction from medical images, medical images processing and analysis, medical tools and interfaces.

Social Data Analysis: Data analysis and mining of user behaviour in Social Tagging and Bookmarking Systems (Flickr, Del.icio.us, digg).

MPEG-7 and MPEG-21 standards