[AI] 深度語義 - NLP

Feature-NLP(32)

 

基礎算法：

Frequent itemset mining

Collaborative filtering

LSA - SVD decomposition of text matrix.

NMF - constraint SVD

pLSA - probabilistic version of LSA (來新數據就傻眼了)

LDA - smoothed pLSA (可實時，加了prior)

GaP - A re-modeling of LDA

RBM - A re-modeling of LDA (dnn)

HDP - extending LDA to infinite (#semantics, 不用預先制定語義個數，好比」中餐館模型「)