Web-enabled advanced multimedia systems

Most of the multimedia objects distributed over the WorldWide Web are unstructured or poorly meta-indexed to be of any use in retrieval tasks formulated by users in natural language queries. In general these dynamic multimedia objects are manually annotated in terms of textual documents. The high costs involved in manually indexing multimedia objects, which grow in volume and are becoming ever more diverse in type, call for automatic sustainable categorization schemata that are accesible and operational on the Web. These categorization schemata comprise indexing, querying and retrieval schemata. We propose a webenabled advanced multimedia system as a solution to this categorization problem. We lay bare the physical, mathematical and logical framework underlying our system. We demonstrate that this system pays off especially in semantically user-defined summarisation tasks concerning multimedia presentations.