1.2数学符号 创建词表（UNK表示未知词）2.represent word(ono-hot) [^use x<1>,x<2>,…,x,tx表示sequence length]: 1.3RNN(Recurren

1.numpy[^numpy提供n维数组对象，是科学计算的通用框架，不涉及图，深度学习、梯度。但可借助网络手动实现向前向后传递。]: # -*- coding: utf-8 -*- import numpy as np # N is b

Source：https://arxiv.org/pdf/1706.03762.pdf Expanding knowledge 1.RNN(Recurrent Neural Network)循环神经网络：为了能更好的处理前后相关的sequ

titleA Unified MRC Framework for Named Entity Recognition Abstract:The task of named entity recognition (NER) is normal

4-1多功能note n=number of features x(i)=input of ith training example x(i)j=value of j feature in ith training example 假

Named-entity recognition (NER) (also known as entity identification, entity chunking and entity extraction) is a subtas