Keyphrases
- clustering algorithm
- hierarchical clustering
- overlapping clusters
- data points
- data distribution
- database systems
- self organizing maps
- subspace clustering
- arbitrary shaped
- database
- model based clustering
- unsupervised clustering
- graph clustering
- arbitrary shape
- input space
- data clustering
- cluster analysis
- evolutionary algorithm
- digital libraries
- case study
- decision trees
- website
- information retrieval