融入用户风险偏好的三支协同过滤推荐模型

黄树添, 胡诗琳, 卜祥智, 李华雄, 刘久兵

Three⁃way collaborative filtering recommendation model integrating user risk preferences

Shutian Huang, Shilin Hu, Xiangzhi Bu, Huaxiong Li, Jiubing Liu

图3 $λ_{N P} = 0.8$ 和 $λ_{B P} = λ_{B N} = 0.5$ 时推荐成本的比较

Fig.3 Recomendation cost with $λ_{N P} = 0.8$ and $λ_{B P} = λ_{B N} = 0.5$