2635 search results - page 326 / 527 » Algorithms for the Database Layout Problem |
179
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TCS
1998
15 years 6 months ago
1998
We introduce a new constraint domain, aggregation constraints, that is useful in database query languages, and in constraint logic programming languages that incorporate aggregate...
204
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VLDB
2002
ACM
15 years 6 months ago
2002
ACM
A continuous nearest neighbor query retrieves the nearest neighbor (NN) of every point on a line segment (e.g., "find all my nearest gas stations during my route from point s...
185
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PVLDB
2010
15 years 4 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...
140
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ICC
2009
IEEE
15 years 4 months ago
2009
IEEE
This paper deals with a wireless indoor positioning problem in which the location of a tag is estimated from range measurements taken by fixed beacons. The measurements may be affe...
196
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ADC
2010
Springer
15 years 1 months ago
2010
Springer
Nowadays privacy becomes a major concern and many research efforts have been dedicated to the development of privacy protecting technology. Anonymization techniques provide an eff...