Non-negative matrix factorization for discrete data with hierarchical side-information

Mathematics

• Matrix 100%
• Factorization 100%
• Real-World Data 33%
• Sparse Matrix 33%
• Conjugacy 33%
• Level Structure 33%
• Number 33%
• Nonzero Entry 33%
• Binary Data 33%

Computer Science

• nonnegative matrix factorization 100%
• Side Information 100%
• Ontology 40%
• Data Matrix 20%
• Inference Model 20%
• Document Author 20%
• Probabilistic Framework 20%

Keyphrases

• Information Hierarchy 50%
• Arbitrary Depth 50%
• Author Affiliation 50%