2 papers
cs.IR2023
Decentralized Graph Neural Network for Privacy-Preserving Recommendation
Xiaolin Zheng, Zhongyu Wang, Chaochao Chen +2
Building a graph neural network (GNN)-based recommender system without violating user privacy proves challenging. Existing methods can be divided into federated GNNs and decentrali…
cs.LG2023
Freshness or Accuracy, Why Not Both? Addressing Delayed Feedback via Dynamic Graph Neural Networks
Xiaolin Zheng, Zhongyu Wang, Chaochao Chen +2
The delayed feedback problem is one of the most pressing challenges in predicting the conversion rate since users' conversions are always delayed in online commercial systems. Alth…