Computer program, method, and apparatus for data sorting
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United States of America Patent
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Feb 21, 2012
Grant Date -
May 15, 2008
app pub date -
Dec 17, 2007
filing date -
Jun 30, 2005
priority date (Note) -
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Abstract
A data sorting program that is capable of performing a data sorting process by using a small capacity of memory at a fast speed. A computer executing the data sorting program has the following functions. A concise ordered TRIE creator creates a root, sequentially reads the characters of each data, and when a prescribed number of data passed a certain node connected to the root before and a child node corresponding to a character next to a character associated with the certain node has not been created, creates the child node so that the child nodes of the certain node have a prescribed arrangement. A partition determination unit sets partitions between prescribed nodes. A data grouping unit groups the data into a plurality of data groups according to the partitions.
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