2956 search results - page 203 / 592 » Databases and Higher Types |
280
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GIS
2005
ACM
16 years 7 months ago
2005
ACM
Topological predicates, as derived from the 9-intersection model, have been widely recognized in GIS, spatial database systems, and many other geo-related disciplines. They are ba...
273
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PODS
2009
ACM
16 years 7 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...
192
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
The aim of this paper is to demonstrate Hermes, a robust framework capable of aiding a spatio-temporal database developer in modeling, constructing and querying a database with dyn...
157
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CLEANDB
2006
ACM
16 years 13 days ago
2006
ACM
Data quality is a serious concern in every data management application, and a variety of quality measures have been proposed, including accuracy, freshness and completeness, to ca...
183
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HASKELL
2006
ACM
16 years 13 days ago
2006
ACM
Correct handling of concurrently accessed external resources is a demanding problem in programming. The standard approaches rely on database transactions or concurrency mechanisms...