计算机科学 ›› 2018, Vol. 45 ›› Issue (12): 153-159.doi: 10.11896／j.issn.1002-137X.2018.12.024
张刚强, 刘群, 纪良浩
ZHANG Gang-qiang, LIU Qun, JI Liang-hao
摘要： 如何对评论数据进行正确的情感分类是情感分析中的重要研究内容。从粒计算和认知学角度,提出了一种基于序贯三支决策的多粒度中文评论情感分类方法。首先,基于评论数据集的特点,根据评论中情感信息量的多少,提出一种由粗到细的多粒度情感信息表示方法;然后,结合序贯三支决策的思想在不同粒度依据情感信息进行逐步计算,对边界域评论序贯地进行三支决策;最后,根据不同粒度的决策阈值和成本对评论做出最终的情感分类。对比实验结果表明,该方法在3个经典评论数据集上获得了更好的结果,具有更高的分类正确率和更强的鲁棒性。
中图分类号:
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