A Novel Chi2 Algorithm for Discretization of Continuous Attributes. - Wenyu Qu; Deqian Yan; Yu Sang; Hongxia Liang; Masaru Kitsuregawa; Keqiu Li (APWeb, 2008)

An integral Chi2 algorithm for discretization of real value attributes. - Li Zou; Deqian Yan; Yu Sang (ICMLC, 2012)