188 search results - page 32 / 38 » Query evaluation with soft-key constraints |
252
Voted
RTAS
2002
IEEE
15 years 11 months ago
2002
IEEE
Large-scale wireless sensor networks represent a new generation of real-time embedded systems with significantly different communication constraints from traditional networked sys...
202
Voted
BTW
2007
Springer
15 years 10 months ago
2007
Springer
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
180
Voted
CCS
2007
ACM
16 years 28 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 ...
159
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SIGMOD
2010
ACM
15 years 11 months ago
2010
ACM
We present SecureBlox, a declarative system that unifies a distributed query processor with a security policy framework. SecureBlox decouples security concerns from system speci...
196
Voted
CAMP
2005
IEEE
16 years 11 days ago
2005
IEEE
— For a peer-to-peer (P2P) system holding massive amount of data, an efficient and scalable search for resource sharing is a key determinant to its practical usage. Unstructured...