489 search results - page 64 / 98 » Query Selectivity Estimation via Data Mining |
114
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WEBDB
2004
Springer
15 years 5 months ago
2004
Springer
In our research on superimposed information management, we have developed applications where information elements in the superimposed layer serve to annotate, comment, restructure...
121
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DEXAW
2007
IEEE
15 years 1 months ago
2007
IEEE
Due to the lack of efficient native XML database management systems, XML data manipulation and query evaluation may be resource-consuming, and represent a bottleneck for several ...
103
Voted
ICDE
2010
IEEE
15 years 6 months ago
2010
IEEE
— We demonstrate ROX, a run-time optimizer of XQueries, that focuses on finding the best execution order of XPath steps and relational joins in an XQuery. The problem of join or...
105
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ICDM
2005
IEEE
15 years 5 months ago
2005
IEEE
In many classification tasks training data have missing feature values that can be acquired at a cost. For building accurate predictive models, acquiring all missing values is of...
113
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SDM
2012
SIAM
13 years 2 months ago
2012
SIAM
The focus of this paper is on how to select a small sample of examples for labeling that can help us to evaluate many different classification models unknown at the time of sampl...