Ontology Guided Sparse Tensor Factorization for joint recommendation with hierarchical relationships.
Hao LiuXiutao ShiGuangxi LiShijun LiuLi PanPublished in: Pers. Ubiquitous Comput. (2022)
Keyphrases
- tensor factorization
- collaborative filtering
- tag recommendation
- matrix factorization
- negative matrix factorization
- item recommendation
- tensor decomposition
- recommender systems
- recommendation systems
- linear algebra
- nonnegative matrix factorization
- gaussian processes
- implicit feedback
- singular value decomposition
- personalized recommendation
- user preferences
- probabilistic latent semantic analysis
- document clustering
- kl divergence
- web search
- search engine