Hierarchical Constrained Variational Autoencoder for interaction-sparse recommendations

Nuo Li, Bin Guo, Yan Liu, Yasan Ding, Lina Yao, Xiaopeng Fan, Zhiwen Yu

Abstract: Highlights•A hierarchical constraint prior model for interaction-sparse recommendations.•A hierarchical prior to flexibly capture the community and personalized preference.•A preference consistency loss for uniformity between reconstructed and real interests.•The codes to facilitate reproducibility: https://github.com/linuo1/HiCVAE.