KEYWORD EXTRACTION METHOD, KEYWORD EXTRACTION PROGRAM, COMPUTER-READABLE STORAGE MEDIUM RECORDING KEYWORD EXTRACTION PROGRAM, KEYWORD EXTRACTION DEVICE, METADATA FORMING METHOD, METADATA FORMING PROGRAM, COMPUTER-READABLE STORAGE MEDIUM RECORDING METADATA FORMING PROGRAM, AND METADATA FORMING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a method for extracting, from a Web page, a general keyword for person and personal relation, particularly, a keyword related to a specified context for person or personal relation and the like, and a method for forming metadata by use of the extracted keyword, and the like.;SOLUTION: Input of a name N and a context word C from an input part is accepted (S1), a keyword candidate group W is extracted from Web pages including the input name N (S2), a relevance rate r with the name N and the context word C is calculated for each keyword candidate w of the extracted keyword candidate group W (S3), and a keyword x relating the name to the context word C is extracted from the keyword candidate group W based on the calculated relevance rate r (S4).;COPYRIGHT: (C)2006,JPO&NCIPI