983 search results - page 9 / 197 » Continuous Queries in Oracle |
140
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FOCS
1993
IEEE
15 years 10 months ago
1993
IEEE
This paper investigates the computational complexity of approximating several NPoptimization problems using the number of queries to an NP oracle as a complexity measure. The resu...
154
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SIGMOD
2002
ACM
16 years 6 months ago
2002
ACM
Spatial indexing has been one of the active focus areas in recent database research. Several variants of Quadtree and R-tree indexes have been proposed in database literature. In ...
138
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CTRSA
2004
Springer
15 years 11 months ago
2004
Springer
Abstract. In [8] Vaudenay presented an attack on block cipher CBCmode encryption when a particular padding method is used. In this paper, we employ a similar approach to analyse th...
141
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W2GIS
2007
Springer
15 years 12 months ago
2007
Springer
In order to provide a streaming service of 3-D spatial objects to the mobile clients on a street, we propose a new query type, called continuous perspective query. The perspective ...
282
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ICDE
2009
IEEE
16 years 7 months ago
2009
IEEE
The popularity of location-based services and the need to do real-time processing on them has led to an interest in performing queries on transportation networks, such as finding s...