Online Feature Selection by Adaptive Sub-gradient Methods.
Tingting ZhaiHao WangFrédéric KoricheYang GaoPublished in: ECML/PKDD (2) (2018)
Keyphrases
- feature selection
- significant improvement
- empirical studies
- machine learning
- real time
- machine learning methods
- online learning
- preprocessing
- benchmark datasets
- steepest ascent
- small samples
- image gradient
- cross validation
- mutual information
- computational cost
- training set
- training data
- search engine
- information retrieval