An Embarrassingly Simple Model for Dialogue Relation Extraction.
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)(2022)
摘要
Dialogue relation extraction (RE) is to predict the relation type of two entities mentioned in a dialogue. In this paper, we model Dialogue RE as a multi-label classification task and propose a simple yet effective model named SimpleRE. SimpleRE captures the interrelations among multiple relations in a dialogue through a novel input format, BERT Relation Token Sequence (BRS). In BRS, multiple [CLS] tokens are used to capture different relations between different pairs of entities. A Relation Refinement Gate (RRG) is designed to extract relation-specific semantic representation adaptively. Experiments on DialogRE show that SimpleRE achieves the best performance with much shorter training time. SimpleRE outperforms all direct baselines on sentence-level RE without using external resources.
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关键词
Dialogue Relation Extraction,Multi-Relations,BERT
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