2985 search results - page 259 / 597 » Indexing Distributed Complex Data for Complex Queries |
164
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POLICY
2004
Springer
16 years 5 hour ago
2004
Springer
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
172
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SIGMOD
1999
ACM
15 years 11 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
189
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GCB
2006
Springer
15 years 10 months ago
2006
Springer
: In this paper we describe a similarity model that provides the objective basis for clustering proteins of similar structure. More specifically, we consider the following variant ...
183
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ICIP
2002
IEEE
16 years 8 months ago
2002
IEEE
Text detection is fundamental to video information retrieval and indexing. Existing methods cannot handle well those texts with different contrast or embedded in a complex backgro...
209
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ECWEB
2004
Springer
16 years 1 days ago
2004
Springer
Abstract. Most e-commerce Web sites dynamically generate their contents through a three-tier server architecture composed of a Web server, an application server, and a database ser...