| 摘要 |
<P>PROBLEM TO BE SOLVED: To correctly determine keyword types without making an adjustment for correct determination. <P>SOLUTION: The keyword type determination device of the present invention acquires a keyword set from several keywords belonging to a keyword type, which is more easy to prepare than a keyword type related word, and produces a keyword type field database from the keyword set. The keyword type determination device then acquires a document relating to a keyword from document set storage means, calculates a keyword type score which represents the possibility of being each keyword type using information in the document, and determines that top N keyword types having a high keyword type score are the keyword types for the keyword. <P>COPYRIGHT: (C)2012,JPO&INPIT |
