Keyphrases
- clustering method
- k means
- user preferences
- clustering algorithm
- hierarchical clustering
- data clustering
- recommender systems
- electronic commerce
- information theoretic
- customer preferences
- similarity calculation
- collaborative filtering
- outlier detection
- cluster analysis
- spectral clustering
- categorical data
- data sets
- unsupervised learning
- data points
- social media
- similarity function
- information retrieval