| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To suitably detect liking expression indicating people's liking for a commodity or the like. <P>SOLUTION: An expression detection system for detecting liking expression indicating evaluator's liking to a specific evaluation target from texts in which the evaluation of the specific evaluation target is described stores a plurality of texts in which the evaluation of the specific evaluation target is described corresponding to the attributes of respective texts, extracts the evaluation expression indicting the evaluation of the specific evaluation target from respective texts, judges whether the extracted evaluation expression is positive polarity indicating positive evaluation to the specific evaluation target or negative polarity indicating negative evaluation to the specific evaluation target, inputs the attribute of a text specified as an object for detecting liking expression, detects evaluation expression detected from the text having the inputted attribute as liking expression, and then outputs the liking expression corresponding to the frequency of judgement that the liking expression in the text having the attribute is positive polarity or negative polarity. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
