Sparse Hierarchical Tucker Factorization and Its Application to Healthcare.
Ioakeim PerrosRobert ChenRichard W. VuducJimeng SunPublished in: ICDM (2015)
Keyphrases
- tensor factorization
- tensor decomposition
- matrix factorization
- collaborative filtering
- negative matrix factorization
- information technology
- gaussian processes
- information systems
- biomedical informatics
- hierarchical structure
- high dimensional
- hierarchical model
- singular value decomposition
- document clustering
- coarse to fine
- unsupervised learning
- electronic health records
- factorization method
- pairwise
- factorization methods