假如我们训练的语料库中有如下3个句子: BROWN READ HOLY BIBLE MARK READ A TEXT BOOK HE READ A BOOK BY DAVID 现在我们计算句子BROWN READ A BOOK出现的概率?
RNN或者说LSTM,训练出生成模型得到P(BOOK|BROWN READ A)P(A|BROWN READ)P(READ|BROWN)*P(BROWN)的值