List of Figures. List of Tables. Preface. Acknowledgments. 1. Introduction. 2. Semantic Models for Multimedia Information. 3. Multimedia Database Searching. 4. Multimedia Browsing. 5. Case Study 1 - Augmented Transition Network (ATN) Model. 6. Case Study 2 - Object Composition Petri Net (OCPN) Model. 7. Conclusions. References. Index.