3969 search results - page 405 / 794 » Query Processing Using Ontologies |
167
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CIKM
2005
Springer
15 years 10 months ago
2005
Springer
Search engines process queries conjunctively to restrict the size of the answer set. Further, it is not rare to observe a mismatch between the vocabulary used in the text of Web p...
248
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ICDE
2007
IEEE
16 years 6 months ago
2007
IEEE
Probabilistic databases have received considerable attention recently due to the need for storing uncertain data produced by many real world applications. The widespread use of pr...
154
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PVLDB
2010
15 years 3 months ago
2010
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...
180
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EDBT
2010
ACM
15 years 7 months ago
2010
ACM
The availability of indoor positioning renders it possible to deploy location-based services in indoor spaces. Many such services will benefit from the efficient support for k n...
259
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
Many of the data sources used in stream query processing are known to exhibit bursty behavior. Data in a burst often has different characteristics than steady-state data, and ther...