Youren Yu

Also published as: 右任


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2023

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CCL23-Eval 任务1系统报告:基于增量预训练与对抗学习的古籍命名实体识别(System Report for CCL23-Eval Task 1:::GuNER Based on Incremental Pretraining and Adversarial Learning)
Jianlong Li (剑龙李,) | Youren Yu (于右任) | Xueyang Liu (刘雪阳) | Siwen Zhu (朱思文)
Proceedings of the 22nd Chinese National Conference on Computational Linguistics (Volume 3: Evaluations)

“古籍命名实体识别是正确分析处理古汉语文本的基础步骤,也是深度挖掘、组织人文知识的重要前提。古汉语信息熵高、艰涩难懂,因此该领域技术研究进展缓慢。针对现有实体识别模型抗干扰能力差、实体边界识别不准确的问题,本文提出使用NEZHA-TCN与全局指针相结合的方式进行古籍命名实体识别。同时构建了一套古文数据集,该数据集包含正史中各种古籍文本,共87M,397,995条文本,用于NEZHA-TCN模型的增量预训练。在模型训练过程中,为了增强模型的抗干扰能力,引入快速梯度法对词嵌入层添加干扰。实验结果表明,本文提出的方法能够有效挖掘潜藏在古籍文本中的实体信息,F1值为95.34%。”

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CCL23-Eval 任务7系统报告:基于序列标注和指针生成网络的语法纠错方法(System Report for CCL23-Eval Task 7:A Syntactic Error Correction Approach Based on Sequence Labeling and Pointer Generation Networks)
Youren Yu (于右任) | Yangsen Zhang (张仰森) | Guanguang Chang (畅冠光) | Beibei Gao (高贝贝) | Yushan Jiang (姜雨杉) | Tuo Xiao (肖拓)
Proceedings of the 22nd Chinese National Conference on Computational Linguistics (Volume 3: Evaluations)

“针对当前大多数中文语法纠错模型存在错误边界识别不准确以及过度纠正的问题,我们提出了一种基于序列标注与指针生成网络的中文语法纠错模型。首先,在数据方面,我们使用了官方提供的lang8数据集和历年的CGED数据集,并对该数据集进行了繁体转简体、数据清洗等操作。其次,在模型方面,我们采用了ERNIE+Global Pointer的序列标注模型、基于ERNIE+CRF的序列标注模型、基于BART+指针生成网络的纠错模型以及基于CECToR的纠错模型。最后,在模型集成方面,我们使用了投票和基于ERNIE模型计算困惑度的方法,来生成最终预测结果。根据测试集的结果,我们的乃乏乍指标达到了48.68,位居第二名。”