Yuan, Guowen, Xiaojun Chen, Chen Wang, Feiping Nie, and Liping Jing. 2018. “Discriminative Semi-Supervised Feature Selection via Rescaled Least Squares Regression-Supplement”. Proceedings of the AAAI Conference on Artificial Intelligence 32 (1). https://ojs.aaai.org/index.php/AAAI/article/view/12177.