Sparsity Reduction Technique Using Grouping Method for Matrix Factorization in Differentially Private Recommendation Systems

Taewhan Kim, Kangsoo Jung, Seog Park. Sparsity Reduction Technique Using Grouping Method for Matrix Factorization in Differentially Private Recommendation Systems. IEICE Trans. Inf. Syst., 103-D(7):1683-1692, 2020. [doi]

Abstract

Abstract is missing.