We discuss the design of a class of agents that we call adaptive web site agents. The goal of such an agent is to help a user find information at a particular web site, adapting i...
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
Erwin Leonardi, Sourav S. Bhowmick, Mizuho Iwaihar...
The situation in engineering security for Web services that access databases is as follows: On the one hand, specifications like WSSecurity are concerned with the security managem...
Martin Wimmer, Daniela Eberhardt, Pia Ehrnlechner,...
-- In Grid collaborations, scientists use middleware to execute computational experiments, visualize results, and securely share data on resources ranging from desktop machines to ...
Weide Zhang, David Del Vecchio, Glenn S. Wasson, M...
The usability of access control mechanisms in modern distributed systems has been widely criticized but little studied. In this paper, we carefully examine one such widely deploye...