南京大学学报(自然科学版) ›› 2020, Vol. 56 ›› Issue (1): 125131.doi: 10.13232/j.cnki.jnju.2020.01.014
王吉地1,2,郭军军1,2,黄于欣1,2,高盛祥1,2(),余正涛1,2,张亚飞1,2
Jidi Wang1,2,Junjun Guo1,2,Yuxin Huang1,2,Shengxiang Gao1,2(),Zhengtao Yu1,2,Yafei Zhang1,2
摘要:
新闻事件检测是自动检测新闻文本中出现的相关事件,需要大量人力设计模板,而且难以获取句中隐含的语义信息,识别触发词时多存在歧义.为解决以上问题,利用融合依存句法信息的卷积神经网络(Dependency Parsing Convolutional Neural Networks,DPCNN),针对句子级别越南语新闻事件进行检测.该模型在编码过程中融合了词义、位置信息、词性信息和命名实体信息,利用传统卷积编码连续词之间的特征,利用融合依存句法信息的卷积编码非连续词之间的特征,再融合两部分特征作为事件编码,进而实现事件检测.实验结果表明,该方法在越南语新闻事件检测中取得了很好的效果.
中图分类号:
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