koyo922

"""
BiLSTM-CRF的PyTorch教学实现，矩阵化版本，含详尽注释和举例
参考
- PyTorch官方教学代码: https://pytorch.org/tutorials/beginner/nlp/advanced_tutorial.html
- 矩阵化推导: https://zhuanlan.zhihu.com/p/44042528
- BiLSTM-CRF原文: https://arxiv.org/pdf/1508.01991v1.pdf

by 虎哥@知乎    koyo922@.qq.com    2019/12/16
"""
import torch