Detect and Track Latent Factors with Online Nonnegative Matrix Factorization.
Bin CaoDou ShenJian-Tao SunXuanhui WangQiang YangZheng ChenPublished in: IJCAI (2007)
Keyphrases
- nonnegative matrix factorization
- latent factors
- matrix factorization
- negative matrix factorization
- data representation
- factorization methods
- factor analysis
- spectral clustering
- document clustering
- collaborative filtering
- least squares
- original data
- principal component analysis
- low rank
- implicit feedback
- data sets
- missing data
- topic models
- dimensionality reduction
- active learning
- keywords
- machine learning