Experiments in Sparsity Reduction: Using Clustering in Collaborative Recommenders.
Derek G. BridgeJerome KelleherPublished in: AICS (2002)
Keyphrases
- k means
- clustering algorithm
- clustering method
- high dimensional
- collaborative filtering
- unsupervised learning
- recommender systems
- hierarchical clustering
- information theoretic
- self organizing maps
- collaborative activities
- clustering analysis
- graph theoretic
- recommendation systems
- collaborative learning
- data points
- e learning
- outlier detection
- neural network
- cluster analysis
- document clustering
- data clustering
- spectral clustering
- data reduction
- data analysis
- feature selection