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Algorithm Research & Explore
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3744-3747

TCM text relationship extraction model based on bidirectional LSTM and GBDT

Luo Jigen
Du Jianqiang
Nie Bin
Xiong Wangping
Liu Lei
He Jia
School of Computer, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China

Abstract

In order to solve the problem that the use of softmax as a long-short-term memory network classifier leads to the lack of generalization ability of the entity relationship recognition model, it is not suitable for the extraction of TCM entity relationships. This paper proposed a bidirectional long short-term memory(BILSTM) relational identification algorithm(BILSTM-GBDT) that incorporates a gradient boosting decision tree(GBDT). Firstly, it trained the Chinese medicine text vector by word2vec, then extracted the high-order features by the bidirectional long short-term memory network based on the attention mechanism. Finally, it used the integrated classification model gradient lifting tree as the feature classifier to improve the relationship recognition effect. Experimental results on multiple relational corpora such as Chinese medicine show that the model has higher accuracy, recall and F value than traditional SVM method, GBDT method and deep learning method.

Foundation Support

国家自然科学基金资助项目(61363042,61562045,61762051)
江西省科技厅重大研发计划资助项目(20171ACE50021)
江西省研究生创新专项资金资助项目(YC2017-S349)
江西省科技厅重点研发计划资助项目(20171BBG70108)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2018.07.0420
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 12
Section: Algorithm Research & Explore
Pages: 3744-3747
Serial Number: 1001-3695(2019)12-047-3744-04

Publish History

[2019-12-05] Printed Article

Cite This Article

罗计根, 杜建强, 聂斌, 等. 基于双向LSTM和GBDT的中医文本关系抽取模型 [J]. 计算机应用研究, 2019, 36 (12): 3744-3747. (Luo Jigen, Du Jianqiang, Nie Bin, et al. TCM text relationship extraction model based on bidirectional LSTM and GBDT [J]. Application Research of Computers, 2019, 36 (12): 3744-3747. )

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  • Application Research of Computers Monthly Journal
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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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