Improving collaborative recommender system using hybrid clustering and optimized singular value decomposition.
Zahra MovafeghAbdoreza RezapourPublished in: Eng. Appl. Artif. Intell. (2023)
Keyphrases
- singular value decomposition
- recommender systems
- singular values
- dimension reduction
- clustering algorithm
- least squares
- low rank
- k means
- dimensionality reduction
- latent semantic indexing
- collaborative filtering
- principal component analysis
- clustering method
- data clustering
- high dimensional data
- unsupervised learning
- null space
- feature space
- data matrix
- low rank matrix
- low rank approximation
- measurement matrix
- computer vision
- nonnegative matrix factorization
- cluster analysis
- high order
- low dimensional