Enhancing recommendation on extremely sparse data with blocks-coupled non-negative matrix factorization.
Zhen YangWeitong ChenJian HuangPublished in: Neurocomputing (2018)
Keyphrases
- sparse data
- negative matrix factorization
- matrix factorization
- collaborative filtering
- recommender systems
- high dimensional
- nonnegative matrix factorization
- sparse representation
- document clustering
- principal component analysis
- tensor factorization
- recommendation systems
- random projections
- spectral clustering
- nearest neighbor
- data structure
- data sets
- data cube
- data mining
- databases