推荐系统技术：矩阵与张量分解

AbstractRepresentingdatainlowerdimensionalspaceshasbeenusedextensivelyinmanydisciplinessuchasnaturallanguageandimageprocessing,datamining,andinformationretrieval.Recommendersystemsdealwithchallengingissuessuchasscalability,noise,andsparsityandthus,matrixandtensorfactorizationtechniquesapp