6740 search results - page 158 / 1348 » Querying Databases with Taxonomies |
176
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CL
2000
Springer
15 years 11 months ago
2000
Springer
Abstract. We consider the problem of specifying and computing consistent answers to queries against databases that do not satisfy given integrity constraints. This is done by simul...
166
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CACM
2008
15 years 5 months ago
2008
During the last decade, multidimensional databases have become common in the business and scientific worlds. Analysis places significant demands on the interfaces to these databas...
280
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Applications such as traffic management and resource scheduling for location-based services commonly need to identify regions with high concentrations of moving objects. Such quer...
178
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VLDB
2005
ACM
16 years 4 hour ago
2005
ACM
A “plan diagram” is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. In this paper, we present and an...
207
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ESWS
2011
Springer
14 years 10 months ago
2011
Springer
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...