Fast Nonparametric Matrix Factorization for Large-scale Collaborative Filtering
Document clustering based on non-negative matrix factorization
Proceedings of the 26th annual international ACM SIGIR conference on Research and development in informaion retrieval - SIGIR ’03
Wei Xu
Xin Liu
John Lafferty
Shenghuo Zhu
Kai Yu
Predicting Trust Relations Within a Social Network