708 search results - page 79 / 142 » A Policy Based Framework for Access Control |
116
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GLOBECOM
2007
IEEE
15 years 10 months ago
2007
IEEE
— In this paper we propose Cognitive Medium Access (CMA), a protocol aimed at improving coexistence with a set of independently evolving WLAN bands. A time-slotted physical layer...
240
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
—Conventional 802.11 medium access control (MAC) characteristics. In particular, all of these designs adopted a protocols have been designed separately from the characteristics s...
146
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GRID
2007
Springer
15 years 10 months ago
2007
Springer
-- To date, not enough attention has been paid to issues surrounding the description and enforcement of policies for controlling Grid resources. These policies define the permitted...
134
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SACMAT
2009
ACM
15 years 11 months ago
2009
ACM
A number of research systems have demonstrated the benefits of accompanying each request with a machine-checkable proof that the request complies with access-control policy — a...
152
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CDC
2009
IEEE
15 years 9 months ago
2009
IEEE
— This paper addresses model reduction for a Markov chain on a large state space. A simulation-based framework is introduced to perform state aggregation of the Markov chain base...