Knowledge workers must manage large numbers of simultaneous, ongoing projects that collectively involve huge numbers of resources (documents, emails, web pages, calendar items, et...
To locate a video clip in large collections is very important for retrieval applications, especially for digital rights management. In this paper, we present a novel technique for...
Semantic Web Information Systems (SWIS) are Web Information Systems that use Semantic Web technologies. Hera is a modeldriven design methodology for SWIS. In Hera, models are repr...
Motivated by the commonly used faceted search interface in e-commerce, this paper investigates interactive relevance feedback mechanism based on faceted document metadata. In this...
: We report about ongoing research in a virtual reality environment where visitors can interact with agents that help them to obtain information, to peform certain transactions and...