Service Oriented Architecture (SOA) has been developed to enhance the integration of various systems to allow organizations to be more flexible in case of business changes. This pa...
Geocast mechanisms allow a sender to transmit network packets to receivers residing at a certain geographical region. Geocast forms the basis for a number of location-based service...
: This paper examines how object-oriented extensions to the Petri Net formalism provide flexible structuring primitives which can aid the modelling of network protocols. A key bene...
Workflow mechanism is used into grid system to combine multiple grid services to implement complex grid application. But the workflow is not programmable, and is not flexible enoug...
We propose an efficient and flexible system for a secure and authentic data exchange in a multiinstitutional environment, where the institutions maintain different databases and p...
Arne Ansper, Ahto Buldas, Margus Freudenthal, Jan ...