Fengqi Li Guangming Li Nanhai Yang Feng Xia 0001 Chuang Yu 0004 Label matrix normalization for semisupervised learning from imbalanced Data. 5-23 2014 20 New Rev. Hypermedia Multim. 1 https://doi.org/10.1080/13614568.2013.846416 https://www.wikidata.org/entity/Q58593146 db/journals/nrhm/nrhm20.html#LiLYXY14