Aspect-Category based Sentiment Analysis with Hierarchical Graph Convolutional Network

no code implementations • COLING 2020 • Hongjie Cai, Yaofeng Tu, Xiangsheng Zhou, Jianfei Yu, Rui Xia

In this work, we re-formalize the task as a category-sentiment hierarchy prediction problem, which contains a hierarchy output structure to first identify multiple aspect categories in a piece of text, and then predict the sentiment for each of the identified categories.

Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +2