CARE: Co-Attention Network for Joint Entity and Relation Extraction

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Hauptverfasser: Kong, Wenjun, Xia, Yamei
Format: Preprint
Veröffentlicht: 2023
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author Kong, Wenjun
Xia, Yamei
author_facet Kong, Wenjun
Xia, Yamei
contents Joint entity and relation extraction is the fundamental task of information extraction, consisting of two subtasks: named entity recognition and relation extraction. However, most existing joint extraction methods suffer from issues of feature confusion or inadequate interaction between the two subtasks. Addressing these challenges, in this work, we propose a Co-Attention network for joint entity and Relation Extraction (CARE). Our approach includes adopting a parallel encoding strategy to learn separate representations for each subtask, aiming to avoid feature overlap or confusion. At the core of our approach is the co-attention module that captures two-way interaction between the two subtasks, allowing the model to leverage entity information for relation prediction and vice versa, thus promoting mutual enhancement. Through extensive experiments on three benchmark datasets for joint entity and relation extraction (NYT, WebNLG, and SciERC), we demonstrate that our proposed model outperforms existing baseline models. Our code will be available at https://github.com/kwj0x7f/CARE.
format Preprint
id arxiv_https___arxiv_org_abs_2308_12531
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle CARE: Co-Attention Network for Joint Entity and Relation Extraction
Kong, Wenjun
Xia, Yamei
Computation and Language
Joint entity and relation extraction is the fundamental task of information extraction, consisting of two subtasks: named entity recognition and relation extraction. However, most existing joint extraction methods suffer from issues of feature confusion or inadequate interaction between the two subtasks. Addressing these challenges, in this work, we propose a Co-Attention network for joint entity and Relation Extraction (CARE). Our approach includes adopting a parallel encoding strategy to learn separate representations for each subtask, aiming to avoid feature overlap or confusion. At the core of our approach is the co-attention module that captures two-way interaction between the two subtasks, allowing the model to leverage entity information for relation prediction and vice versa, thus promoting mutual enhancement. Through extensive experiments on three benchmark datasets for joint entity and relation extraction (NYT, WebNLG, and SciERC), we demonstrate that our proposed model outperforms existing baseline models. Our code will be available at https://github.com/kwj0x7f/CARE.
title CARE: Co-Attention Network for Joint Entity and Relation Extraction
topic Computation and Language
url https://arxiv.org/abs/2308.12531