SVD++
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SVD++ refers to the matrix factorization algorithm which makes use of implicit feedback information.
<math>r = (p_u+\frac{1}{\sqrt{|N(u)|}}\sum_{i\in N(u)} y_i) q_i + </math>
SVD++ refers to the matrix factorization algorithm which makes use of implicit feedback information.
<math>r = (p_u+\frac{1}{\sqrt{|N(u)|}}\sum_{i\in N(u)} y_i) q_i + </math>
