Chinese Word Segmentation based on Bidirectional GRU-CRF Model

Che Jinli,Tang Liwei,Deng Shijie,Su Xujun

Table 2 Performance of different word segmentation models

Models PKU MSRA CTB6 P R F1 P R F1 P R F1 CRF(4tag) 0.878 0.856 0.867 0.881 0.863 0.872 0.883 0.866 0.875 GRU(4tag) 0.956 0.948 0.953 0.962 0.955 0.959 0.959 0.955 0.957 BI-GRU(4tag) 0.964 0.952 0.958 0.965 0.963 0.964 0.960 0.964 0.962 BI-GRU-CRF(4tag) 0.965 0.959 0.962 0.973 0.964 0.969 0.966 0.967 0.967 BI-GRU-CRF(6tag) 0.969 0.963 0.966 0.977 0.967 0.972 0.967 0.970 0.969