Efficient Sparse Group Feature Selection via Nonconvex Optimization
Shuo XiangXiaotong ShenJieping YePublished in: CoRR (2012)
Keyphrases
- feature selection
- global optimization
- optimization problems
- sparse pca
- text classification
- text categorization
- constrained optimization
- evolutionary algorithm
- nonlinear programming
- unsupervised learning
- optimization algorithm
- optimization method
- low rank matrices
- sparse data
- optimization process
- information gain
- sparse coding
- high dimensionality
- mutual information
- multi class
- multi objective
- support vector