| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method and apparatus for extracting a keyword of a document on the basis of a document relationship score of a word and a transfer score between related words. <P>SOLUTION: A method for extracting a keyword of a document includes: performing morpheme analysis on a document; and using the analyzed result to produce a word graph. A document relationship score of a word is merged with the created word graph and a keyword score indicating a degree of importance of the word is calculated. In accordance with the calculated keyword score, a keyword of the document is selected from among words. <P>COPYRIGHT: (C)2012,JPO&INPIT |
