Unsupervised clustering and feature weighting based on Generalized Dirichlet mixture modeling.
Mohamed Maher Ben IsmailHichem FriguiPublished in: Inf. Sci. (2014)
Keyphrases
- mixture modeling
- feature weighting
- dirichlet distribution
- unsupervised clustering
- mixture model
- supervised classification
- discrete data
- bayesian classifiers
- text categorization
- feature selection
- k means
- em algorithm
- text classification
- clustering method
- prior distribution
- expectation maximization
- image segmentation
- clustering algorithm
- density estimation
- relevance feedback
- continuous data
- unsupervised learning
- information retrieval
- generative model
- pairwise constraints
- high dimensional
- document clustering
- cluster analysis
- learning algorithm