@article{JMLR:v27:23-0157,
  author  = {Yan Li and Defeng Sun and Liping Zhang},
  title   = {Unsupervised Feature Selection via Nonnegative Orthogonal Constrained Regularized Minimization},
  journal = {Journal of Machine Learning Research},
  year    = {2026},
  volume  = {27},
  number  = {39},
  pages   = {1--44},
  url     = {http://jmlr.org/papers/v27/23-0157.html}
}