GRACE: Gradient Harmonized and Cascaded Labeling for Aspect-based Sentiment Analysis

22 Sep 2020 Huaishao Luo Lei Ji Tianrui Li Nan Duan Daxin Jiang

In this paper, we focus on the imbalance issue, which is rarely studied in aspect term extraction and aspect sentiment classification when regarding them as sequence labeling tasks. Besides, previous works usually ignore the interaction between aspect terms when labeling polarities... (read more)

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