结合兴趣点类别周期属性和用户短期偏好特征的推荐模型
桑春艳, 易星宇, 廖世根, 文俊浩

A recommendation model combining point of interest category periodic attributes and user short⁃term preference features
Chunyan Sang, Xingyu Yi, Shigen Liao, Junhao Wen
图1 用户的行动轨迹
Fig.1 Diagram of a user's action trajectory