Enhancing Collaborative Information with Contrastive Learning for Session-based Recommendation

Guojia An, Jing Sun, Yuhan Yang, Fuming Sun

Abstract: Highlights•We build a residual enhanced multi-level gated graph neural network.•We address the role of repeated items in inter-session collaborative information mining.•We design a repetitive information-aware inter-session similarity learning module.•We introduce an automatic search module to reduce the impact of noise information.