3678 search results - page 640 / 736 » Personalization of Queries in Database Systems |
264
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GIS
2004
ACM
16 years 7 months ago
2004
ACM
The R*-tree is a state-of-the-art spatial index structure. It has already found its way into commercial systems. The most important improvement of the R*-tree over the original R-...
278
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
Named entity recognition aims at extracting named entities from unstructured text. A recent trend of named entity recognition is finding approximate matches in the text with respe...
146
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ER
2007
Springer
16 years 9 days ago
2007
Springer
Provability-based semantic interoperability (PBSI) is a kind of interoperability that transcends mere syntactic translation to allow for robust, meaningful information exchange acr...
254
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GIS
2007
ACM
16 years 7 months ago
2007
ACM
We propose a general framework to index very large datasets of spatial data in a distributed system. Our proposal is built on the recently proposed Scalable Distributed Rtree (SD-...
153
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WWW
2001
ACM
16 years 6 months ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...