Findings of the Association for Computational Linguistics: EMNLP 2023 2023
DOI: 10.18653/v1/2023.findings-emnlp.759
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Aspect-Category Enhanced Learning with a Neural Coherence Model for Implicit Sentiment Analysis

Jin Cui,
Fumiyo Fukumoto,
Xinfeng Wang
et al.

Abstract: Aspect-based sentiment analysis (ABSA) has been widely studied since the explosive growth of social networking services. However, the recognition of implicit sentiments that do not contain obvious opinion words remains less explored. In this paper, we propose aspectcategory enhanced learning with a neural coherence model (ELCoM). It captures documentlevel coherence by using contrastive learning, and sentence-level by a hypergraph to mine opinions from explicit sentences to aid implicit sentiment classification… Show more

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