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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Vydané v:	Knowledge and information systems Ročník 64; číslo 5; s. 1305 - 1322
Hlavní autori:	Li, You, Wang, Chaoqiang, Lin, Yuming, Lin, Yongdong, Chang, Liang
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	London Springer London 01.05.2022 Springer Nature B.V
Predmet:	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
On-line prístup:	Získať plný text
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