Yuzhi Wang

Also published as: 俞智


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2023

pdf bib
基于框架语义场景图的零形式填充方法(A Null Instantiation Filling Method based Frame Semantic Scenario Graph)
Yuzhi Wang (王俞智) | Ru Li (李茹) | Xuefeng Su (苏雪峰) | Zhichao Yan (闫智超) | Juncai Li (李俊材)
Proceedings of the 22nd Chinese National Conference on Computational Linguistics

“零形式填充是在篇章上下文中为给定句子中的隐式框架语义角色找到相应的填充内容。传统的零形式填充方法采用pipeline模型,容易造成错误传播,并且忽略了显式语义角色及其填充内容的重要性。针对上述问题,本文提出了一种端到端的零形式填充方法,该方法结合汉语框架网信息构建出框架语义场景图并利用GAT对其建模,得到融合了显式框架元素信息的候选填充项表示,增强了模型对句中隐式语义成分的识别能力。在汉语零形式填充数据集上的实验表明,本文提出的模型相较于基于Bert的基线模型F1值提升了9.16%,证明了本文提出方法的有效性。”