NMFDIV: A Nonnegative Matrix Factorization Approach for Search Result Diversification on Attributed Networks.
Zaiqiao MengHong ShenPublished in: PDCAT (2017)
Keyphrases
- nonnegative matrix factorization
- search result diversification
- negative matrix factorization
- matrix factorization
- least squares
- data representation
- spectral clustering
- principal component analysis
- objective function
- federated search
- databases
- original data
- document clustering
- co occurrence
- active learning
- product search
- multimedia