Chinese Text Feature Dimension Reduction Based on Semantics.
Zhenlei DuYangsen ZhangRuijuan ZhengLin JiangPublished in: CLSW (2013)
Keyphrases
- dimension reduction
- chinese text
- principal component analysis
- feature extraction
- high dimensional data
- low dimensional
- high dimensional problems
- high dimensional
- feature space
- linear discriminant analysis
- random projections
- high dimensionality
- unsupervised learning
- manifold learning
- word segmentation
- singular value decomposition
- preprocessing
- preprocessing step
- face recognition
- cluster analysis
- dimensionality reduction
- feature vectors
- training data
- feature selection
- machine learning
- feature set
- data sets
- support vector machine
- data points
- pattern recognition
- reinforcement learning
- similarity measure