CHA: Categorical Hierarchy-based Attention for Next POI Recommendation. - Hongyu Zang; Dongcheng Han; Xin Li 033; Zhifeng Wan; Mingzhong Wang (ACM Trans. Inf. Syst., 2022)

Efficient Certificateless Blind Signature Scheme With Conditional Revocation for Mobile Crowdsensing Within Smart City. - Shuanggen Liu; Zhifeng Wan; Yixin Yuan; Qiyue Dong; Baozhu Yang; Fei Hao 001 (IEEE Internet Things J., 2024)

An Efficient Certificateless Key-Insulated Anonymous Signature Scheme Based on Smart Contract for Data Sharing in Industrial Internet of Things. - Nana Kong; Zhifeng Wan; Cui Xu; Xukai Liu; Yixin Yuan; Shuanggen Liu (IEEE Internet Things J., 2025)