Spatio-Temporal Contrastive Learning Enhanced GNNs for Session-based Recommendation

1 code implementation • 23 Sep 2022 • Zhongwei Wan, Xin Liu, Benyou Wang, Jiezhong Qiu, Boyu Li, Ting Guo, Guangyong Chen, Yang Wang

The idea is to supplement the GNN-based main supervised recommendation task with the temporal representation via an auxiliary cross-view contrastive learning mechanism.

Collaborative Filtering Contrastive Learning +1

Infinite Hidden Semi-Markov Modulated Interaction Point Process

no code implementations • NeurIPS 2016 • Matt Zhang, Peng Lin, Ting Guo, Yang Wang, Fang Chen

The proposed approach can simultaneously model both the observations and arrival times of temporal events, and determine the number of latent states from data.