基于用户特征聚类与服务质量预测的推荐方法
刘佳慧, 袁卫华, 曹家伟, 张涛, 张志军

Recommendation method based on user feature clustering and quality of service prediction
Jiahui Liu, Weihua Yuan, Jiawei Cao, Tao Zhang, Zhijun Zhang
图1 用户服务响应时间矩阵
Fig.1 The user service response time matrix