Adaptive variable selection for data clustering
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United States of America Patent
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Oct 4, 2016
Grant Date -
Oct 8, 2015
app pub date -
Nov 26, 2014
filing date -
Apr 8, 2014
priority date (Note) -
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Abstract
One or more processors generate subsets of cluster feature (CF)-trees, which represent respective sets of local data as leaf entries. One or more processors collect variables that were used to generate the CF-trees included in the subsets. One or more processors generate respective approximate clustering solutions for the subsets by applying hierarchical agglomerative clustering to the collected variables and leaf entries of the plurality of CF-trees. One or more processors select candidate sets of variables with maximal goodness that are locally optimal for respective subsets based on the approximate clustering solutions. One or more processors select a set of variables, which produce an overall clustering solution, from the candidate sets of variables.
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