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GLOBECOM
2007
IEEE
14 years 1 months ago
Opportunistic Access with Random Subchannel Backoff (OARSB) for OFDMA Uplink
Abstract— A distributed medium access control (MAC) algorithm for uplink OFDMA networks under the IEEE 802.16 framework is proposed and analyzed in this work. We present a simple...
Yu-Jung Chang, Feng-Tsun Chien, C. C. Jay Kuo
DBSEC
2003
155views Database» more  DBSEC 2003»
13 years 9 months ago
Schema Based XML Security: RBAC Approach
As a platform-independent solution, XML is going to be used in many environments such as application integration and Web Services. Security of XML instance is a basic problem, esp...
Xinwen Zhang, Jaehong Park, Ravi S. Sandhu
GRID
2006
Springer
13 years 7 months ago
Using Workflow for Dynamic Security Context Management in Grid-based Applications
This paper presents ongoing research and current results on the development of flexible access control infrastructures for complex resource provisioning in Grid-based collaborativ...
Yuri Demchenko, Leon Gommans, Cees de Laat, Arie T...
HPCA
2002
IEEE
14 years 8 months ago
The Minimax Cache: An Energy-Efficient Framework for Media Processors
This work is based on our philosophy of providing interlayer system-level power awareness in computing systems [26, 27]. Here, we couple this approach with our vision of multipart...
Osman S. Unsal, Israel Koren, C. Mani Krishna, Csa...
CCS
2005
ACM
14 years 1 months ago
PeerAccess: a logic for distributed authorization
This paper introduces the PeerAccess framework for reasoning about authorization in open distributed systems, and shows how a parameterization of the framework can be used to reas...
Marianne Winslett, Charles C. Zhang, Piero A. Bona...