An Optimal Scaling Approach to Collaborative Filtering Using Categorical Principal Component Analysis and Neighborhood Formation.
Angelos I. MarkosManolis G. VozalisKonstantinos G. MargaritisPublished in: AIAI (2010)
Keyphrases
- collaborative filtering
- principal component analysis
- recommender systems
- dynamic programming
- matrix factorization
- covariance matrix
- computer vision
- data sparsity
- optimal design
- negative matrix factorization
- optimal control
- principal components
- dimensionality reduction
- face recognition
- discriminant analysis
- singular value decomposition
- low dimensional
- feature extraction
- data mining
- web page recommendation