1627 search results - page 284 / 326 » On context in authorization policy |
171
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SIGADA
2004
Springer
15 years 11 months ago
2004
Springer
Existing security models require that information of a given security level be prevented from “leaking” into lower-security information. High-security applications must be dem...
179
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
It is well established that bitmap indices are efficient for read-only attributes with low attribute cardinalities. For an attribute with a high cardinality, the size of the bitma...
148
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P2P
2003
IEEE
15 years 11 months ago
2003
IEEE
Abstract—In this paper we explore the incentive and architectural issues that arise in Consortia of Peer-to-Peer Wireless Local Area Networks. A P2P WLAN Consortium (PWC) is a co...
163
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WPES
2003
ACM
15 years 11 months ago
2003
ACM
We present a model and protocol for anonymous credentials. Rather than using deterrents to ensure non-transferability, our model uses secure hardware with biometric authentication...
152
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ESOP
2003
Springer
15 years 11 months ago
2003
Springer
Security folklore holds that a security mechanism based on stack inspection is incompatible with a global tail call optimization policy. An implementation of such a language may ha...