A Moral Judgment System using Evaluation Expressions

Abstract

In this paper, we propose a moral judgment system. Moral judgment means right and wrong judgment. The proposed system consists of the extraction of moral words phase and the moral judgment phase. In the extraction of moral words phase, the positive words and the negative words are extracted based on the co-occurrence frequency of the learning data and the words in the polarity dictionary. In the moral judgment phase, first, the determination of whether the input sentence relates to morality or not is performed. Second, if the input is determined to relate to morality, the scoring based on the co-occurrence frequency of the input and the important evaluation expressions is carried out. In the experiments, we compared the proposed system with judgments by humans. As a result, it is implied that the effectiveness of the proposed system.