Clustering as a Prior Step to Classification: an Empirical Study.
Antonia KyriakopoulouTheodore KalamboukisPublished in: Int. J. Artif. Intell. Tools (2011)
Keyphrases
- clustering method
- machine learning
- supervised classification
- unsupervised classification
- unsupervised clustering
- unsupervised learning
- text classification
- pattern recognition
- feature space
- automatic classification
- classification systems
- clustering algorithm
- decision trees
- spectral clustering
- high dimensionality
- density estimation
- decision rules
- class labels
- clustering analysis
- k means
- support vector machine
- feature selection
- classification accuracy
- prior knowledge
- classification method
- support vector
- classification process
- data sets
- algo rithm
- pattern classification
- prior probabilities
- cluster analysis
- information theoretic
- classification algorithm
- self organizing maps
- machine learning algorithms
- support vector machine svm
- text categorization
- image classification
- high dimensional
- training data
- feature extraction