Feature extraction based on information gain and sequential pattern for English question classification. - Yaqing Liu; Xiaokai Yi; Rong Chen; Zhengguo Zhai; Jingxuan Gu (IET Softw., 2018)

Activity Feature Solving Based on TF-IDF for Activity Recognition in Smart Homes. - Jinghuan Guo; Yong Mu; Mudi Xiong; Yaqing Liu; Jingxuan Gu (Complex., 2019)