Grid Workflows are emerging as practical programming models for solving large e-scientific problems on the Grid. However, it is typically assumed that the workflow components eith...
Researchers in the eld of Distributed Arti cial Intelligence (DAI) have been developing e cient mechanisms to coordinate the activities of multiple autonomous agents. The need for...
Abstract— In this paper we present a system permitting controlled policy administration and delegation using the XACML access control system. The need for these capabilities stem...
Ludwig Seitz, Erik Rissanen, Thomas Sandholm, Baba...
Abstract— Metadata annotations of Grid resources can potentially be used for a number of purposes, including accurate resource allocation to jobs, discovery of services, and prec...
A fundamental task on the Grid is to decide what jobs to run on what computing resources based on job or application requirements. Our previous work on ontology-based matchmaking ...
Andreas Harth, Stefan Decker, Yu He, Hongsuda Tang...