Contrastive graph learning long and short-term interests for POI recommendation

Jiarun Fu, Rong Gao, Yonghong Yu, Jia Wu, Jing Li, Donghua Liu, Zhiwei Ye

Abstract: Highlights•Complex interactions between POIs are overlooked.•Hypergraph with Hawkes attention mines the dynamics of users’ interests.•Novel Geographic graph model capture asymmetric geographic influence.•Fine grained contrastive learning framework fosters performance improvements.