Lingfei Ren

Dynamic graph neural network-based fraud detectors against collaborative fraudsters

Lingfei Ren, Ruimin Hu, Dengshi Li et al. · Knowledge-Based Systems · 2023 · 31 citations

Computing, Computer Science, Data Science +12

Where have you been: Dual spatiotemporal-aware user mobility modeling for missing check-in POI identification

Junhang Wu, Ruimin Hu, Dengshi Li et al. · Information Processing & Management · 2022 · 20 citations

Computing, Geoinformatics, Information Technology +14

Beyond the individual: An improved telecom fraud detection approach based on latent synergy graph learning

Junhang Wu, Ruimin Hu, Dengshi Li et al. · Neural Networks · 2023 · 19 citations

Computing, Data Science, Electrical Engineering +13

Collaborative Fraud Detection: How Collaboration Impacts Fraud Detection

Jinzhang Hu, Ruimin Hu, Zheng Wang et al. · 2023 · 15 citations

Computing, Computer Science, Data Mining +6

A GNN-based fraud detector with dual resistance to graph disassortativity and imbalance

Junhang Wu, Ruimin Hu, Dengshi Li et al. · Information Sciences · 2024 · 11 citations

Computing, Computer Engineering, Computer Science +14