1394 search results - page 153 / 279 » Executing Nested Queries |
178
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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...
180
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KRDB
2003
15 years 7 months ago
2003
The Polylog framework is designed to provide a language for efficiently automating complex queries of information represented in multiple formats. A Polylog program contains a set...
176
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AAAI
1996
15 years 7 months ago
1996
This paper presents recent work using the Chill parser acquisition system to automate the construction of a natural-language interface for database queries. Chill treats parser ac...
167
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KDD
2004
ACM
16 years 6 months ago
2004
ACM
In many applications that track and analyze spatiotemporal data, movements obey periodic patterns; the objects follow the same routes (approximately) over regular time intervals. ...
157
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PODS
2001
ACM
16 years 6 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...