Application Expert ------------------ CWI: MPEG-7, HyTime Univ. of Manchester (Carole Goble): Ontologies and semantics media annotation INRIA: video annotation (new research direction of Nabil) Control Layer ------------- DFKI Content Layer ------------- INA (selection of appropriate video clips) Design Expert ------------- CWI: higher level author constructs with inter-dimensional constraints Franca Garzotta: design rules Design Layer ------------ INRIA: constraint processing Presentation Layer ------------------ Oratrix: GRiNS player