3225 search results - page 473 / 645 » Query Optimization by Stored Queries |
149
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ER
2004
Springer
15 years 12 months ago
2004
Springer
In this paper we present a model of functional access to data that, we argue, is suitable for modeling a class of data repositories characterized by functional access, such as web ...
192
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KDD
2008
ACM
16 years 6 months ago
2008
ACM
Learning to rank from relevance judgment is an active research area. Itemwise score regression, pairwise preference satisfaction, and listwise structured learning are the major te...
185
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STOC
2002
ACM
16 years 6 months ago
2002
ACM
We present improved algorithms for maintaining transitive closure and all-pairs shortest paths/distances in a digraph under deletion of edges. For the problem of transitive closur...
294
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
Errors in estimating page counts can lead to poor choice of access methods and in turn to poor quality plans. Although there is past work in using execution feedback for accurate c...
197
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ICML
2009
IEEE
16 years 7 months ago
2009
IEEE
Ranking a set of retrieved documents according to their relevance to a query is a popular problem in information retrieval. Methods that learn ranking functions are difficult to o...