Robust simultaneous positive data clustering and unsupervised feature selection using generalized inverted Dirichlet mixture models.
Mohamed Al MashrgyTaoufik BdiriNizar BouguilaPublished in: Knowl. Based Syst. (2014)
Keyphrases
- mixture model
- data clustering
- unsupervised feature selection
- unsupervised learning
- dirichlet distribution
- em algorithm
- generative model
- gaussian mixture model
- probabilistic model
- expectation maximization
- density estimation
- cluster analysis
- clustering algorithm
- spectral clustering
- model selection
- maximum likelihood
- k means
- language model
- supervised learning
- semi supervised
- probability density function
- feature selection
- object recognition
- semi supervised learning
- active learning
- data mining
- information extraction
- knowledge discovery
- feature subset
- text classification
- information retrieval
- machine learning