1394 search results - page 180 / 279 » Executing Nested Queries |
104
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ER
2003
Springer
15 years 8 months ago
2003
Springer
In this paper we present a volume data model amenable to querying volumes in databases. Unlike most existing volume models, which are directed towards specific applications (notab...
125
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DEXAW
1999
IEEE
15 years 7 months ago
1999
IEEE
This paper describes an algebra for use with parallel object databases, and in particular ODMG compliant databases with OQL. Although there have been many proposals for parallel r...
121
Voted
VLDB
1998
ACM
15 years 7 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
100
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ICLP
2010
Springer
15 years 7 months ago
2010
Springer
Abstract. Bottom-up evaluation is a central part of query evaluation / program execution in deductive databases. It is used after a source code optimization like magic sets or SLDm...
140
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GIS
1995
ACM
15 years 6 months ago
1995
ACM
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...