Keyphrases
- finite sets
- singular values
- data matrix
- real numbers
- singular value decomposition
- finite dimensional
- nonnegative matrix factorization
- matrix approximation
- objective function
- linear programming
- frobenius norm
- finite number
- factor matrices
- low rank approximation
- least squares
- positive semidefinite matrices
- original data
- missing values
- rank order
- linearly separable
- data sets
- matrix factorisation
- sparse matrix
- pairwise comparison
- rank aggregation
- negative matrix factorization
- low rank
- matrix factorization
- search engine