: The traditional transportation information inquiry mainly uses key words based on the text, and the service the inquiry system provided is onefold and only aims at one transporti...
Abstract--In distance teaching, direct feedback to the students is difficult to give, but crucial for their learning success. The system Asterix was developed in order to support t...
Manfred Widera, Barbara Messing, Gabriele Kern-Isb...
Availability of a wide variety of Web services over the Internet offers opportunities of providing new value added services built by composing them out of existing ones. Service c...
Simon J. Woodman, Doug J. Palmer, Santosh K. Shriv...
Paxos is a well known algorithm for achieving consensus in distributed environments with uncertain processing and communication timing. Implementations of its variants have been s...
Chryssis Georgiou, Procopis Hadjiprocopiou, Peter ...
This paper shows how role-based access control (RBAC) models can be implemented in distributed object-based systems that follow OMG/CORBA standards. We introduce a novel approach ...