2217 search results - page 293 / 444 » Rank-aware Query Optimization |
180
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GEOINFO
2003
15 years 7 months ago
2003
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
155
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IJCAI
2003
15 years 7 months ago
2003
In data-integration systems, information sources often have various constraints such as “all houses stored at a source have a unique address.” These constraints are very usefu...
193
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DKE
2010
15 years 6 months ago
2010
We describe the Consistency Extractor System (ConsEx) that computes consistent answers to Datalog queries with negation posed to relational databases that may be inconsistent with...
281
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ACMSE
2007
ACM
15 years 10 months ago
2007
ACM
Classification and change detection of land cover types in the remotely sensed images is one of the major applications in remote sensing. This paper presents a hierarchical framew...
170
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BDA
2003
15 years 7 months ago
2003
Pervasive computing introduces data management requirements that must be tackled in a growingvariety of lightweight computing devices. Personal folders on chip, networks of sensor...