We designed and implemented a digital library system that supports content-based retrieval of multimedia objects based on MPEG-7 and XQuery. MPEG-7, a metadata standard for multim...
Reengineering existing (large-scale) applications to the web is a complex and highly challenging task. This is due to a variety of mostly demanding requirements for interactive we...
Moore’s Law is pushing us inevitably towards a world of pervasive, wireless, spontaneously networked computing devices. Whatever these devices do, they will have to talk to and n...
Many Web applications are based on dynamic interactions between Web components exchanging flows of information. Such a situation arises for instance in mashup systems or when moni...
This paper describes concepts and features of a Web-based system called XRL/flower for carrying out Petri-net based workflows described with XRL (eXchangeable Routing Language). XR...