3456 search results - page 114 / 692 » Semantics in Spatial Databases |
142
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DBPL
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. Formal semantics for XQuery with side-effects have been proposed in [13, 16]. We propose a different semantics which is better suited for database compilation. We substan...
173
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Semantic integration is an active area of research in several disciplines, such as databases, information-integration, and ontologies. This paper provides a brief survey of the ap...
183
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DEXA
2009
Springer
16 years 27 days ago
2009
Springer
In this paper, we propose to extend Peer-to-Peer Semantic Wikis with personal semantic annotations. Semantic Wikis are one of the most successful Semantic Web applications. In sema...
180
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ICPADS
2000
IEEE
15 years 10 months ago
2000
IEEE
The most costly spatial operation in spatial databases is a spatial join with combines objects from two data sets based on spatial predicates. Even if the execution time of sequen...
183
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SIGMOD
2000
ACM
15 years 10 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...