Orthogonal Matching Pursuit for Text Classification.
Konstantinos SkianisNikolaos TziortziotisMichalis VazirgiannisPublished in: CoRR (2018)
Keyphrases
- text classification
- orthogonal matching pursuit
- feature selection
- signal recovery
- sparse representation
- compressed sensing
- transform domain
- sparse approximation
- text categorization
- bag of words
- labeled data
- text mining
- compressive sensing
- text documents
- machine learning
- n gram
- multi label
- greedy algorithm
- support vector
- dimensionality reduction
- unsupervised learning
- natural images
- knn