Academic Degrees Ph.D. (1993) Dept. of Computer Science, University of Crete title: "Image Representation, Indexing and Retrieval based on Spatial Relationships and Properties of Objects" supervisor: Stelios C. Orphanoudakis B.Sc. (1985) Dept. of Physics, National University of Athens Research Interests Multimedia and Web Information Systems Semantic Web Medical Information Systems Access Methods for Images and Video Applications of Computer Vision