2 papers
cs.IR2018
Optimization Matrix Factorization Recommendation Algorithm Based on Rating Centrality
Zhipeng Wu, Hui Tian, Xuzhen Zhu +1
Matrix factorization (MF) is extensively used to mine the user preference from explicit ratings in recommender systems. However, the reliability of explicit ratings is not always c…
physics.soc-ph2017
Dynamics of social contagions with local trend imitation
Xuzhen Zhu, Wei Wang, Shimin Cai +1
Research on social contagion dynamics has not yet including a theoretical analysis of the ubiquitous local trend imitation (LTI) characteristic. We propose a social contagion model…