> geoffrey-ducournau — resume

Geoffrey Ducournau, PhD

R&D Researcher & AI Architect @ Dimtech

Research Affiliate @ Tsinghua University

All projects
LiveCloudFintech

Transaction-Fraud Detection

Label-free graph neural network for anomalous-transaction detection.

Context. Fraud detection for an online payments / transaction-processing operator.

Problem. Detect fraudulent or anomalous transactions in real time across a large, evolving transaction network, without relying on scarce labelled fraud examples.