3456 search results - page 181 / 692 » Semantics in Spatial Databases |
146
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CIKM
2000
Springer
15 years 5 months ago
2000
Springer
Geographic Information Systems (GISs) have become an essential tool for efficient handling of our natural and artificial environment. The most important activities in a GIS are qu...
CORR
2008
Springer
15 years 2 months ago
2008
Springer
perception of domain concepts. We have run this experiment on the 367 645 English abstracts of PASCAL 2005-2006 bibliographic database (http://www.inist.fr) and compared the struct...
179
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DEXAW
2010
IEEE
15 years 3 months ago
2010
IEEE
-- This paper proposes to enhance search query log analysis by taking into account the semantic properties of query terms. We first describe a method for extracting a global semant...
209
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PODS
2009
ACM
16 years 2 months ago
2009
ACM
We consider the problem of deciding query equivalence for a conjunctive language in which queries output complex objects composed from a mixture of nested, unordered collection ty...
113
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RTSS
1993
IEEE
15 years 6 months ago
1993
IEEE
This paper presents a technique that is capable of supporting two major requirements for concurrency control in real-time databases: data temporal consistency, and data logical co...