Dimensionality Reduction for Text using Domain Knowledge.
Yi MaoKrishnakumar BalasubramanianGuy LebanonPublished in: COLING (Posters) (2010)
Keyphrases
- domain knowledge
- dimensionality reduction
- data representation
- semantic information
- high dimensional
- high dimensional data
- low dimensional
- domain experts
- pattern recognition and machine learning
- structure preserving
- database
- text mining
- feature extraction
- information retrieval
- principal component analysis
- text documents
- principal components
- manifold learning
- free text
- feature selection
- high dimensionality
- knowledge sources
- key concepts
- domain theory
- string matching
- neural network
- data sets