Continuous Optimization for Item Selection in Collaborative Filtering.

Kohei Inoue Kiichi Urahama Continuous Optimization for Item Selection in Collaborative Filtering. 1987-1988 2004 87-D IEICE Transactions 7 http://search.ieice.org/bin/summary.php?id=e87-d_7_1987 db/journals/ieicet/ieicet87d.html#InoueU04