结合社交影响和长短期偏好的个性化推荐算法

周青松,蔡晓东,刘家良

Personalized recommendation algorithm combining social influence and long short-term preference

Qing-song ZHOU,Xiao-dong CAI,Jia-liang LIU

表 5 社交影响力阈值对社交关系数量的影响

Tab.5 Impact of social influence threshold on number of social relationships

$ \theta $ Gowalla Delicious Ns P/% Ns P/% 012345 283 972116 71457 48029 15415 9869 384 10041.1020.2410.275.633.30 9 1307 9326 3924 5742 8741 266 10086.8870.0150.1031.4813.87