102291 search results - page 19678 / 20459 » Computing |
177
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BTW
2005
Springer
16 years 21 days ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
194
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CCS
2005
ACM
16 years 21 days ago
2005
ACM
Policy enforcement is an integral part of many applications. Policies are often used to control access to sensitive information. Current policy specification languages give users ...
207
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CCS
2005
ACM
16 years 21 days ago
2005
ACM
In automated trust negotiation (ATN), two parties exchange digitally signed credentials that contain attribute information to establish trust and make access control decisions. Be...
217
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CCS
2005
ACM
16 years 21 days ago
2005
ACM
Automated trust negotiation is an approach which establishes trust between strangers through the bilateral, iterative disclosure of digital credentials. Sensitive credentials are ...
182
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CCS
2005
ACM
16 years 21 days ago
2005
ACM
Human-memorable passwords are a mainstay of computer security. To decrease vulnerability of passwords to bruteforce dictionary attacks, many organizations enforce complicated pass...