281 search results - page 25 / 57 » Querying the Guarded Fragment |
76
Voted
ICDE
2010
IEEE
15 years 10 months ago
2010
IEEE
Decision support queries that scan large indexes can suffer significant degradation in I/O performance due to index fragmentation. DBAs rely on rules of thumb that use index size a...
CVPR
2010
IEEE
15 years 6 months ago
2010
IEEE
A framework is presented for estimating the pose of a camera based on images extracted from a single omnidirectional image of an urban scene, given a 2D map with building outlines...
SIGMOD
2003
ACM
15 years 10 months ago
2003
ACM
Webcams, microphones, pressure gauges and other sensors provide exciting new opportunities for querying and monitoring the physical world. In this paper we focus on querying wide ...
172
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
We study new hierarchical indexing approach to process XPATH queries. Here, a hierarchical index consists of index entries that are pairs of queries and their (full/partial) answer...
104
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CIKM
2005
Springer
15 years 3 months ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...