5221 search results - page 834 / 1045 » An On-line Problem Database |
180
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
147
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
Approximating the joint data distribution of a multi-dimensional data set through a compact and accurate histogram synopsis is a fundamental problem arising in numerous practical ...
162
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PODS
2007
ACM
16 years 6 months ago
2007
ACM
The contingency table is a work horse of official statistics, the format of reported data for the US Census, Bureau of Labor Statistics, and the Internal Revenue Service. In many ...
179
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PODS
2008
ACM
16 years 6 months ago
2008
ACM
In this study we propose sketching algorithms for computing similarities between hierarchical data. Specifically, we look at data objects that are represented using leaf-labeled t...
198
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
Abstract. The success of Internet applications has led to an explosive growth in the demand for bandwidth from ISPs. Managing an IP network requires collecting and analyzing networ...