This paper presents the Authorization Service provided by Tivoli Policy Director (PD) and its use by PD family members as well as third-party applications. Policies are defined ov...
We present here the execution model of a policy-driven middleware for building secure distributed collaboration systems from their high level specifications. Our specification m...
Anand R. Tripathi, Tanvir Ahmed, Richa Kumar, Shre...
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. A Sentient Computing environment is one in which the system is able to perceive the state of the physical world and use this information to customise its behaviour. Mobil...
One of the guiding principles of the Grid is local (site) autonomy. Resource owners maintain control over their resources even when those resources are part of a larger Grid. In o...
Jun Feng, Lingling Cui, Glenn S. Wasson, Marty Hum...