2674 search results - page 308 / 535 » Data Models and Query Languages for Spatial Databases |
195
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ICDE
2006
IEEE
16 years 20 days ago
2006
IEEE
To realize the Semantic Web, it will be necessary to make existing database content available for emerging Semantic Web applications, such as web agents and services, which use on...
185
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PODS
2005
ACM
16 years 6 months ago
2005
ACM
Abstract. We present a semantics and answer set programs for relational peer data exchange systems. When a peer answers a query, it exchanges data with other peers in order to supp...
177
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VLDB
1998
ACM
15 years 10 months ago
1998
ACM
The size of The Boeing Company posts some stringent requirements on data warehouse design and implementation. We summarize four interesting and challenging issues in developing ve...
181
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
180
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WEBDB
2005
Springer
16 years 2 days ago
2005
Springer
In the relational model it has been shown that the flat relational algebra has the same expressive power as the nested relational algebra, as far as queries over flat relations ...