Unsupervised attribute reduction based on $$\alpha $$-approximate equal relation in interval-valued information systems.

Xiaofeng Liu 0007 Jianhua Dai Jiaolong Chen Chucai Zhang Unsupervised attribute reduction based on $$\alpha $$-approximate equal relation in interval-valued information systems. 2021-2038 2020 11 Int. J. Mach. Learn. Cybern. 9 https://doi.org/10.1007/s13042-020-01091-w db/journals/mlc/mlc11.html#LiuDCZ20