An improved matrix factorization with local differential privacy based on piecewise mechanism for recommendation systems
Yong Wang, Mingxing Gao, Xun Ran, Jun Ma, Leo Yu Zhang
Topics & Concepts
Differential privacyComputer sciencePiecewiseMatrix decompositionRSSRecommender systemData miningScheme (mathematics)Process (computing)Personally identifiable informationPrivacy protectionNoise (video)Information privacyProjection (relational algebra)Information retrievalArtificial intelligenceAlgorithmComputer securityMathematicsWorld Wide WebOperating systemEigenvalues and eigenvectorsPhysicsQuantum mechanicsMathematical analysisImage (mathematics)Privacy-Preserving Technologies in DataRecommender Systems and TechniquesAdvanced MIMO Systems Optimization