807 search results - page 50 / 162 » Space Efficient Algorithms for Ordered Tree Comparison |
229
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VLDB
2004
ACM
16 years 4 months ago
2004
ACM
In this paper, we propose a new tunable index scheme, called iMinMax(), that maps points in highdimensional spaces to single-dimensional values determined by their maximum or minim...
156
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APNOMS
2006
Springer
15 years 7 months ago
2006
Springer
For an efficient role based access control using attribute certificate in highly distributed computing environments, we use a technique of structuring role specification certificat...
143
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
— Mobile ad hoc networking allows nodes to form temporary networks and communicate with each other possibly via multiple hops. By using a special node called the gateway, an ad h...
147
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DBA
2004
15 years 5 months ago
2004
In order to guarantee efficient query processing together with industrial strength, spatial index structures have to be integrated into fully-fledged object-relational database ma...
148
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CIKM
2004
Springer
15 years 9 months ago
2004
Springer
Indexing XML is crucial for efficient XML query processing. We propose a compact tree (Ctree) for XML indexing, which provides not only concise path summaries at group level but a...