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Being the document group central processing unit and the document group central processing unit which does document group
Being the document group central processing unit and the document group central processing unit which does document group
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机译:作为文档组中央处理单元和进行文档组的文档组中央处理单元
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摘要
PROBLEM TO BE SOLVED: To provide a document group processor, a document group processing method and a document group processing program, allowing extraction of a word representing a document group.;SOLUTION: In this document group processor, a preprocessing part 11 divides each document of the document group into words, and an importance level impartment part 12 imparts an importance level to each word. A score calculation part 13a calculates a ranking score wherein a value increases/decreases according to the ups/downs of a simultaneous co-occurrence degree with an upper word selected as a word of an upper hierarchy to each word except the upper word. A hierarchy-classified keyword determination part 13b determines a lower word to the upper word by order based on the ranking score calculated to each word group except the upper word by the score calculation part 13a. A hierarchical information generation control part 13c makes lower word determination processing by the hierarchy-classified keyword determination part 13b and ranking score calculation processing by the score calculation part 13a to be repeatedly executed over a prescribed hierarchy to perform control to generate hierarchical information wherein the lower word to the upper word is associated over a plurality of hierarchies.;COPYRIGHT: (C)2011,JPO&INPIT
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