3678 search results - page 692 / 736 » Personalization of Queries in Database Systems |
155
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BTW
2009
Springer
15 years 10 months ago
2009
Springer
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
167
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BMCBI
2007
15 years 5 months ago
2007
Background: Recent advances in Web and information technologies with the increasing decentralization of organizational structures have resulted in massive amounts of information r...
171
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MMS
2008
15 years 5 months ago
2008
We address the challenge of semantic gap reduction for image retrieval through an improved SVM-based active relevance feedback framework, together with a hybrid visual and concept...
163
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BMCBI
2005
15 years 5 months ago
2005
Background: Population genetics studies based on the analysis of mtDNA and mitochondrial disease studies have produced a huge quantity of sequence data and related information. Th...
169
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PVLDB
2010
15 years 3 months ago
2010
Graphs are of growing importance in modeling complex structures such as chemical compounds, proteins, images, and program dependence. Given a query graph Q, the subgraph isomorphi...