人工智能AI入门 2.2- NLP词向量 word2vec

# word2vec

1 字或者词的one-hot representation，矩阵维度太高且稀疏

2 word2vec的两种方法，CBOW从周围的词推测单个词，skip-gram从单个词预测周围

#论文

##论文详解

https://arxiv.org/pdf/1411.2738.pdf

# 实现

## C代码实现

https://github.com/tmikolov/word2vec/blob/master/word2vec.c

## Python 代码实现

https://github.com/LongxingTan/ML_learning/tree/master/nlp_embedding

## Tensorflow实现

https://github.com/LongxingTan/ML_learning/tree/master/nlp_embedding