MINORITY OPINION EXTRACTION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a minority opinion extraction device for extracting a minority but valuable opinion.;SOLUTION: When a key word, an object to be evaluated, and an evaluation expression are designated, object description words for describing the object to be evaluated are extracted from article data, the number of appearances of the extracted object description words is counted according to the designated combination and, as a result of counting, sentences having the object description word smaller in number of appearances are extracted as an object description sentence. On the other hand, a writer good at category corresponding to the key word is identified and only the object description sentences included in articles written by the writer are extracted as minority opinions.;COPYRIGHT: (C)2010,JPO&INPIT