K-Nearest Neighbor Nonnegative Matrix Factorization for Learning a Mixture of Local SOM Models.
David NovaPablo A. EstévezPablo HuijsePublished in: WSOM (2014)
Keyphrases
- k nearest neighbor
- knn
- nonnegative matrix factorization
- knn classification
- learning algorithm
- neural network
- probabilistic model
- nearest neighbor
- unsupervised learning
- information retrieval
- support vector machine
- feature selection
- supervised learning
- least squares
- text categorization
- cluster analysis
- matrix factorization
- negative matrix factorization
- pairwise