Reference from: http://www.scholarpedia.org/article/Neural_net_language_models
Reproduced in: https: //www.cnblogs.com/amiltonwong/archive/2013/04/10/3013244.html
Reference from: http://www.scholarpedia.org/article/Neural_net_language_models
Reproduced in: https: //www.cnblogs.com/amiltonwong/archive/2013/04/10/3013244.html