Keyphrases
- clustering algorithm
- knowledge discovery
- clustering method
- data points
- cluster analysis
- positive and negative
- categorical data
- hierarchical clustering
- spectral clustering
- self organizing maps
- data sets
- k means
- unsupervised learning
- outlier detection
- graph theoretic
- exploratory analysis
- data clustering
- high dimensional data
- automatically discovering
- wordnet
- text classification
- nearest neighbor
- feature selection