A differentially private nonnegative matrix factorization for recommender system
Xun Ran, Yong Wang, Leo Yu Zhang, Jun Ma
Topics & Concepts
Recommender systemComputer scienceMatrix decompositionNonnegative matrixNon-negative matrix factorizationFactorizationMatrix (chemical analysis)Information retrievalAlgorithmSymmetric matrixChemistryChromatographyEigenvalues and eigenvectorsPhysicsQuantum mechanicsRecommender Systems and TechniquesFace and Expression RecognitionImage Retrieval and Classification Techniques