DTS: A Decoupled Task Specificity Approach for Aspect Sentiment Triplet Extraction

Bao Wang, Guangjin Wang, Peiyu Liu

Abstract: Highlights•Propose a new decoupled subtask specificity approach for table-filling.•Introduce an innovative task expert table mechanism at the encoding stage.•Design task-specific decoders for comprehensive subtask specificity.•Devise a Part-of-Speech Mask strategy for aspect and opinion extraction.•Develop a Multi-Knowledge Encoder for diverse fine-grained information.