9414 search results - page 324 / 1883 » Adaptive Query Processing |
142
Voted
CCS
2007
ACM
15 years 10 months 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 ...
111
Voted
ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
In this paper we analyze the reconstruction of bandlimited signals from their sine wave crossings by a sampling type reconstruction process. The reconstruction process is highly a...
148
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VL
2006
IEEE
15 years 10 months ago
2006
IEEE
The development of visual query languages can ease the retrieval of human motion data. This paper describes a process that allows users to specify queries for human motions descri...
136
Voted
ICDE
1997
IEEE
15 years 8 months ago
1997
IEEE
In this paper we propose a data model for representing moving objects in database systems. It is called the Moving Objects Spatio-Temporal (MOST) data model. We also propose Futur...
120
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INFSOF
2000
15 years 3 months ago
2000
Semantic query optimization is the process of utilizing information implied by integrity constraints to reformulate the query into one that generates the same set of answers in a ...