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Used Keras to implement POS tagging on Chinese news corpus
Compare different models, and explored different skills to improve model performance

Base model structure

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Models comparison

Model/strategy Accuracy on test sets (descending order)
Bert 0.9915
Bi-LSTM with attention 0.9878
Bi-LSTM 0.9867
LSTM (Linear learning rate) 0.9808
LSTM (Step learning rate) 0.9804
LSTM 0.9799
RNN 0.9787
GRU 0.9773

Confusion matrix

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Functional interface

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