Dynamic Relation-Attentive Graph Neural Networks for Fraud Detection. - Heehyeon Kim; Jinhyeok Choi; Joyce Jiyoung Whang (ICDM (Workshops), 2023)

SpoT-Mamba: Learning Long-Range Dependency on Spatio-Temporal Graphs with Selective State Spaces. - Jinhyeok Choi; Heehyeon Kim; Minhyeong An; Joyce Jiyoung Whang (STRL@IJCAI, 2024)

Unveiling the Threat of Fraud Gangs to Graph Neural Networks: Multi-Target Graph Injection Attacks Against GNN-Based Fraud Detectors. - Jinhyeok Choi; Heehyeon Kim; Joyce Jiyoung Whang (AAAI, 2025)

SAIF: A Comprehensive Framework for Evaluating the Risks of Generative AI in the Public Sector. - Kyeongryul Lee; Heehyeon Kim; Joyce Jiyoung Whang (CoRR, 2025)