2674 search results - page 166 / 535 » Data Models and Query Languages for Spatial Databases |
148
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BTW
2005
Springer
15 years 11 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
168
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KDD
2003
ACM
16 years 6 months ago
2003
ACM
In most computer systems, page fault rate is currently minimized by generic page replacement algorithms which try to model the temporal locality inherent in programs. In this pape...
170
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SIGMOD
2010
ACM
15 years 11 months ago
2010
ACM
The probabilistic threshold query (PTQ) is one of the most common queries in uncertain databases, where all results satisfying the query with probabilities that meet the threshold...
247
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Recent research on skyline queries has attracted much interest in the database and data mining community. Given a database, an object belongs to the skyline if it cannot be domina...
169
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EDBT
2009
ACM
15 years 9 months ago
2009
ACM
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...