Shaowei Chen — accepted AI-conference papers

2021

Bidirectional Machine Reading Comprehension for Aspect Sentiment Triplet Extraction

Shaowei Chen, Yu Wang, Jie Liu, Yuelin Wang

AAAI 2021technical

Aspect sentiment triplet extraction (ASTE), which aims to identify aspects from review sentences along with their corresponding opinion expressions and sentiments, is an emerging task in fine-grained opinion mining. Since ASTE consists of multiple subtasks, including opinion entity extraction, relat…

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2020

Attention as Relation: Learning Supervised Multi-head Self-Attention for Relation Extraction

Jie Liu, Shaowei Chen, Bingquan Wang, Jiaxin Zhang, Na Li, Tong Xu

IJCAI 2020poster

Joint entity and relation extraction is critical for many natural language processing (NLP) tasks, which has attracted increasing research interest. However, it is still faced with the challenges of identifying the overlapping relation triplets along with the entire entity boundary and detecting the…

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