Recommender System：推荐系统

Recommender System.

期望最大算法(Expectation Maximization, EM)

Expectation Maximization.

变分推断(Variational Inference)

Variational Inference.

线性判别分析(Linear Discriminant Analysis, LDA)

Linear Discriminant Analysis.

k近邻算法(k-Nearest Neighbor, kNN)

k-Nearest Neighbor.

提升树(Boosting Tree)

Boosting Tree.