152 search results - page 11 / 31 » Semantic Integrity Constraints for Spatial Databases |
226
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GIS
2006
ACM
16 years 24 days ago
2006
ACM
The W3C's Semantic Web Activity is illustrating the use of semantics for information integration, search, and analysis. However, the majority of the work in this community ha...
100
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ICDE
1993
IEEE
15 years 3 months ago
1993
IEEE
The objective of entity identification is to determine the correspondence between object instances from more than one database. This paper ezamines the problem at the instance lev...
128
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RR
2009
Springer
15 years 4 months ago
2009
Springer
In this paper we argue the case for integrating the distinctive functionalities of logic programs and production systems within an abductive logic programming agent framework. In t...
WWW
2001
ACM
16 years 13 days ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
108
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CDB
2004
Springer
15 years 5 months ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...