MutationGuard: A Graph and Temporal-Spatial Neural Method for Detecting Mutation Telecommunication Fraud. - Haitao Bai; Pinghui Wang; Ruofei Zhang; Ziyang Zhou 003; Juxiang Zeng; Yulou Su; Li Xing; Zhou Su; Chen Zhang; Lizhen Cui; Jun Hao; Wei Wang 012 (IJCAI, 2025)