Span-based relational graph transformer network for aspect–opinion pair extraction

Aspect extraction and opinion extraction are two fundamental subtasks in aspect-based sentiment analysis. Many methods extract aspect terms or opinion terms but ignore the relationships between them. However, such relationships are crucial for downstream tasks, such as sentiment classification and c...

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Veröffentlicht in:	Knowledge and information systems Jg. 64; H. 5; S. 1305 - 1322
Hauptverfasser:	Li, You, Wang, Chaoqiang, Lin, Yuming, Lin, Yongdong, Chang, Liang
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	London Springer London 01.05.2022 Springer Nature B.V
Schlagworte:	Classifiers Computer Science Data mining Data Mining and Knowledge Discovery Database Management Information Storage and Retrieval Information Systems and Communication Service Information Systems Applications (incl.Internet) IT in Business Recommender systems Regular Paper Sentiment analysis Transformers Sentiment analysis Relational graph convolution Aspect–opinion pair extraction
ISSN:	0219-1377, 0219-3116
Online-Zugang:	Volltext
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