Difficulty-controllable question generation over knowledge graphs: A counterfactual reasoning approach. - Sheng Bi; Jianyu Liu; Zeyi Miao; Qizhi Min (Inf. Process. Manag., 2024)

LEMON: A Knowledge-Enhanced, Type-Constrained, and Grammar-Guided Model for Question Generation Over Knowledge Graphs. - Sheng Bi; Zeyi Miao; Qizhi Min (IEEE Trans. Learn. Technol., 2025)