464 search results - page 39 / 93 » Subsystem Based Generalizations of Rough Set Approximations |
SIGMOD
2001
ACM
15 years 12 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 ...
TALG
2010
14 years 10 months ago
2010
Given a rectangular boundary partitioned into rectangles, the Minimum-Length Corridor (MLC-R) problem consists of finding a corridor of least total length. A corridor is a set of ...
128
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
108
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SIGMOD
1999
ACM
15 years 4 months ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
180
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SIGMOD
2008
ACM
15 years 12 months ago
2008
ACM
A method for approximate subsequence matching is introduced, that significantly improves the efficiency of subsequence matching in large time series data sets under the dynamic ti...