Face-tracking as an augmented input in video games: enhancing presence, role-playing and control. - Shuo Wang; Xiaocao Xiong; Yan Xu 011; Chao Wang 063; Weiwei Zhang; Xiaofeng Dai; Dongmei Zhang 001 (CHI, 2006)

GMS: A New Graph-Based Feature Selection Method for Text Categorization. - Xiaocao Xiong; Chunping Li (Artificial Intelligence and Pattern Recognition, 2007)