1394 search results - page 97 / 279 » Executing Nested Queries |
118
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VLDB
1995
ACM
15 years 7 months ago
1995
ACM
Scientific data of importance to biologists in the Humitn Genome Project resides not only in conventional da.tabases, but in structured files maintained in a number of different f...
230
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
194
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
We present a tool for querying a set of points for geometric shapes. This tool was developed as part of a larger project studying the architecture of 13th century French churches....
143
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SIGMOD
2000
ACM
15 years 8 months ago
2000
ACM
We present MOCHA, a new self-extensible database middleware system designed to interconnect distributed data sources. MOCHA is designed to scale to large environments and is based...
131
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GIS
1997
ACM
15 years 7 months ago
1997
ACM
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involve...