基于层叠条件随机场的中文病历命名实体识别
燕杨1,2, 文敦伟3, 王云吉1, 王珂1

Named entity recognition in Chinese medical records based on cascaded conditional random field
YAN Yang1,2, WEN Dun-wei3, WANG Yun-ji1, WANG Ke1
图2 层叠条件随机场模型
Fig.2 Cascaded conditional random fields model