南京大学学报(自然科学版) ›› 2023, Vol. 59 ›› Issue (3): 483493.doi: 10.13232/j.cnki.jnju.2023.03.011
杨京虎1,2, 段亮1,2(), 岳昆1,2, 李忠斌1,2
Jinghu Yang1,2, Liang Duan1,2(), Kun Yue1,2, Zhongbin Li1,2
摘要:
传统的情感分析方法主要针对句子、微博等形式的短文本,而对话长文本具有篇幅长、对话双方情感不同且情感易随对话发生变化等特点,使对话长文本中用户多重情感集成困难、情感分析任务精度低.为此,提出子事件交互模型TSI (Topic Subevents Interaction)、预训练模型ERNIE (Enhanced Language Representation with Informative Entities)和循环卷积神经网络(Recurrent Convolutional Neural Networks,RCNN)相结合的对话长文本情感分析模型(TSI with ERNIE?RCNN,TER).该模型通过动态滑动窗口抽取子事件,保留文本关键特征,降低文本冗余度,基于抽取的子事件分析对话双方的情感来识别情感主体,并集成各子事件的情感特征来解决对话双方情感不一致的问题.在真实数据上的实验结果表明,TER的精确率、召回率与F1均优于现有模型.
中图分类号:
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