34199 search results - page 6534 / 6840 » Petascale Computational Systems |
179
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CCS
2007
ACM
16 years 27 days ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
176
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CCS
2007
ACM
16 years 27 days ago
2007
ACM
We propose minimalist new hardware additions to a microprocessor chip that protect cryptographic keys in portable computing devices which are used in the field but owned by a cen...
170
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CCS
2007
ACM
16 years 27 days ago
2007
ACM
Materialized XPath access-control views are commonly used for enforcing access control. When access control rules defining a materialized XML access-control view change, the view...
163
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CIVR
2007
Springer
16 years 27 days ago
2007
Springer
We present a novel matching and similarity evaluation method for planar geometric shapes represented by sets of polygonal curves. Given two shapes, the matching algorithm randomly...
163
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EMSOFT
2007
Springer
16 years 26 days ago
2007
Springer
This paper describes techniques to estimate the worst case execution time of executable code on architectures with data caches. The underlying mechanism is Abstract Interpretation...