4179 search results - page 539 / 836 » Retrieval with gene queries |
158
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BTW
2005
Springer
16 years 8 days ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
216
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CIKM
2011
Springer
14 years 6 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...
272
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
In uncertain and probabilistic databases, confidence values (or probabilities) are associated with each data item. Confidence values are assigned to query results based on combinin...
289
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
Efficient indexing techniques have been developed for the exact and approximate substructure search in large scale graph databases. Unfortunately, the retrieval problem of structu...
257
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VLDB
2002
ACM
16 years 7 months ago
2002
ACM
We propose a new data structure to search in metric spaces. A metric space is formed by a collection of objects and a distance function de ned among them, which satis es the trian...