Hybrid classifiers for improved semantic subspace learning of news documents.
Nandita TripathiMichael P. OakesStefan WermterPublished in: HIS (2011)
Keyphrases
- subspace learning
- semantic information
- dimensionality reduction
- keywords
- data representation
- manifold learning
- low dimensional
- news stories
- decision trees
- principal component analysis
- training data
- learning algorithm
- xml documents
- sparse coding
- support vector
- news articles
- subspace learning algorithm
- sparse representation
- metadata
- high dimensional data
- unsupervised learning
- higher order
- training set
- face recognition
- feature selection
- feature set
- vector space
- dimension reduction
- multiscale
- data sets