Aspect Evaluation by using Overall Rating and Category Characteristics of Reviews
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Abstract
This paper presents a method for estimating aspect rating in reviews. Aspects are evaluated using evaluative words. The overall rating of reviews is used to estimate the rating of aspects. We assume that reviews with words expressing high evaluation possess high overall rating. We estimate evaluative words for each category because some of these words express different meanings in different categories. We determine the score of an aspect from the rating of evaluative words. The approach is validated by estimating the values of aspects by using reviews collected from kakau.com and comparing them with the original aspect ratings. Results indicate that the proposed approach can estimate aspect rating in certain cases.
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