Zhenzhong Chen

Collaborative Variational Bandwidth Auto-encoder for Recommender Systems

2021 · arXiv (Cornell University)

Collaborative filtering has been widely adopted by modern recommender systems to discover user preferences based on their past behaviors. However, the observed interactions for different users are usually unbalanced, which leads to high uncertainty in …

Multi-Modal Variational Graph Auto-Encoder for Recommendation Systems

2021 · IEEE Transactions on Multimedia

Graph embedding based methods have been used in recommendation systems recently, owing to their advances in modeling nodes as embeddings in a low-dimensional space. By effective neighborhood aggregation, graph convolutional networks can exploit high-order connections …