1542 search results - page 112 / 309 » Redundancy in Spatial Databases |
128
Voted
CCS
2007
ACM
15 years 8 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 ...
107
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SIGMETRICS
2008
ACM
15 years 2 months ago
2008
ACM
Ternary content-addressable memories (TCAMs) are increasingly used for high-speed packet classification. TCAMs compare packet headers against all rules in a classification database...
113
Voted
VLDB
2001
ACM
15 years 6 months ago
2001
ACM
We propose multi-precision similarity matching where the image is divided into a number of subblocks, each with its associated color histogram. We present experimental results sho...
146
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CIKM
2000
Springer
15 years 6 months ago
2000
Springer
Geographic Information Systems (GISs) have become an essential tool for efficient handling of our natural and artificial environment. The most important activities in a GIS are qu...
105
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MDM
2004
Springer
15 years 7 months ago
2004
Springer
In this paper, we consider a data model for uncertain trajectories of moving objects. In our model, the trajectory is a vector of uniform stochastic processes. We study “univers...