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Ziyi Yao

2 accepted papers

2023

Aspect-to-Scope Oriented Multi-view Contrastive Learning for Aspect-based Sentiment Analysis

EMNLP 2023long findings

Aspect-based sentiment analysis (ABSA) aims to align aspects and corresponding sentiment expressions, so as to identify the sentiment polarities of specific aspects. Most existing ABSA methods focus on mining syntactic or semantic information, which still suffers from noisy interference introduced b…

Cited by 0SourceScholar
2022

Affective Knowledge Enhanced Multiple-Graph Fusion Networks for Aspect-based Sentiment Analysis

EMNLP 2022main

Aspect-based sentiment analysis aims to identify sentiment polarity of social media users toward different aspects. Most recent methods adopt the aspect-centric latent tree to connect aspects and their corresponding opinion words, thinking that would facilitate establishing the relationship between…