4790 search results - page 242 / 958 » Reverse Query Processing |
127
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ICDE
1997
IEEE
15 years 7 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...
110
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INFSOF
2000
15 years 2 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 ...
139
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MDM
2010
Springer
15 years 5 months ago
2010
Springer
A k-Range Nearest Neighbor (or kRNN for short) query in road networks finds the k nearest neighbors of every point on the road segments within a given query region based on the net...
133
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PVLDB
2010
15 years 1 months ago
2010
Keyword search in relational databases has been extensively studied. Given a relational database, a keyword query finds a set of interconnected tuple structures connected by fore...
135
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EPEW
2008
Springer
15 years 4 months ago
2008
Springer
We define a mechanism for specifying performance queries which combine instantaneous observations of model states and finite sequences of observations of model activities. We reali...