Geoff Stoker

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Information technology courses often require the use of software and hardware to support classroom learning. These systems can assist in achieving the learning objectives for a course through classroom problems and laboratory exercises. The procurement and maintenance of these systems can be a challenge even for well resourced organizations. In this paper(More)
In a Computational Grid, or Grid, a user often requires a service to perform an action on his behalf. Currently, the user has few options but to grant the service the ability to wholly impersonate him, which opens the user to seemingly unbounded potential for security breaches if the service is malicious or errorful. To address this problem, eight(More)
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