A novel approach to extracting non-negative latent factors from non-negative big sparse matrices

202402 bcchVersion of RecordOthersFundo para o Desenvolvimento das Ciências e da Tecnologia; National Natural Science Foundation of China; Young Scientist Foundation of Chongqing; Chongqing Research Program of Basic Research and Frontier Technology; Post-Doctoral Science Funded Project of Chongqing; Fundamental Research Funds for the Central Universities; Specialized Research Fund for the Doctoral Program of Higher EducationPublishedPublisher permissio