3225 search results - page 339 / 645 » Query Optimization by Stored Queries |
153
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GIS
1999
ACM
15 years 11 months ago
1999
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 involv...
167
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ANSS
1997
IEEE
15 years 11 months ago
1997
IEEE
In this paper, we present JSIM, a Java-based simulation and animation environment being developed at the University of Georgia. The JSIM library includes many Java classes to make...
196
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ISMIS
1994
Springer
15 years 10 months ago
1994
Springer
We assume that safety of information stored in a database depends on the reliability of the agents who have performed the insertions in the database. We present a logic S to repres...
191
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BIOCOMP
2006
15 years 8 months ago
2006
Several biological databases exist which use different formats for storing data. Further, each database has its own schema and a query interface. There exist no standard conversio...
167
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APPINF
2003
15 years 8 months ago
2003
XML data is often modeled as node-labeled trees. In a structure-generic relational storage scheme, the structure of the XML data is shredded into pieces of a generic type, such as...