Sparse representations for text categorization.
Tara N. SainathSameer MaskeyDimitri KanevskyBhuvana RamabhadranDavid NahamooJulia HirschbergPublished in: INTERSPEECH (2010)
Keyphrases
- text categorization
- sparse representation
- dictionary learning
- sparse coding
- text classification
- feature selection
- negative matrix factorization
- image classification
- multi label
- face recognition
- information gain
- knn
- signal processing
- reuters corpus
- feature weighting
- high dimensional data
- text documents
- text classifiers
- semi supervised learning
- image representation
- k nearest neighbor
- unlabeled data
- automatic text categorization
- transfer learning
- dimensionality reduction
- support vector
- machine learning
- generative model
- model selection
- natural images
- support vector machine
- object recognition
- linear svm
- image processing
- feature selections