Concept-Aware Deep Knowledge Tracing and Exercise Recommendation in an Online Learning System. - Fangzhe Ai; Yishuai Chen; Yuchun Guo; Yongxiang Zhao; Zhenzhu Wang; Guowei Fu; Guangyan Wang (EDM, 2019)

Learning Text Representations for Finding Similar Exercises. - Mengfei Feng; Yishuai Chen; Yuchun Guo; Yongxiang Zhao; Guowei Fu (ICCE-TW, 2019)