Fast dimension reduction for document classification based on imprecise spectrum analysis.
Hu GuanJingyu ZhouBin XiaoMinyi GuoTao YangPublished in: Inf. Sci. (2013)
Keyphrases
- document classification
- dimension reduction
- spectrum analysis
- frequency domain
- text classification
- feature extraction
- text categorization
- feature selection
- principal component analysis
- autoregressive
- adaptive filter
- classification algorithm
- text mining
- high dimensional data
- high dimensional
- text documents
- singular value decomposition
- low dimensional
- unsupervised learning
- web documents
- linear discriminant analysis
- feature space
- cluster analysis
- high dimensionality
- knn
- image classification
- preprocessing
- data sets
- naive bayes
- knowledge discovery