基于时间衰减的协同过滤推荐算法
董立岩1,2, 王越群1, 贺嘉楠1, 孙铭会1,2, 李永丽3

Collaborative filtering recommendation algorithm based on time decay
DONG Li-yan1,2, WANG Yue-qun1, HE Jia-nan1, SUN Ming-hui1,2, LI Yong-li3
时间衰减项对协同过滤的影响