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bert-sequence-tagging's Introduction

bert-sequence-tagging

基于BERT的中文序列标注

BERT的一作Jacob说他不准备放出序列标注的代码,不过你可以在issues中看到Jacob参与的讨论。

该Repo不是可以直接运行的,不过如果你真的需要这个实现,很大程度上应该一看就能明白。

sequence tagging可以用在很多地方,NER, POS等,也许最近的天池瑞金比赛也可以尝试,Kaggle最新的一个文本分类的比赛也可以尝试,不过Kaggle的这个新赛直接使用Jacob公布的代码应该不需要修改很多地方。

基于google-bert源代码,写sequence tagging模块,并在IJCNLP的CGED数据上做了初步测试,实验结果如下图所示。

实验结果

其中,最上图是2017年哈工大的一个组公布的代码C++跑出的结果;中图是我用Tensorflow复现出的结果;下图是基于BERT做fine-tuning得到的一个结果。

从结果上来看,实现上暂时看起来似乎没有问题。

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bert-sequence-tagging's Issues

中文标注问题

代码中的预处理会pieceword,中文拆词为字,英文也会拆开, 那么序列的标注怎么办,要怎么调整

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