bipartite graph

DataFunTalk

Aug 19, 2020 · Artificial Intelligence

Fraudar: Graph-Based Fraud Detection in E‑commerce Transaction Networks

The article presents a comprehensive overview of e‑commerce fraud, especially brush‑order schemes, and introduces the Fraudar algorithm—a graph‑based unsupervised method that leverages bipartite network analysis, global suspiciousness metrics, priority‑tree optimization, and collaborative supervised training to efficiently identify dense fraudulent sub‑graphs.

Fraudarbipartite graphe-commerce

0 likes · 15 min read

Fraudar: Graph-Based Fraud Detection in E‑commerce Transaction Networks

JD Tech Talk

Aug 7, 2020 · Information Security

Fraudar: Graph-Based Fraud Detection in Bipartite Transaction Networks

The article explains how e‑commerce fraud such as fake order brushing can be modeled as a bipartite transaction network and tackled with the Fraudar algorithm, which iteratively removes low‑suspicion nodes using a global suspiciousness metric and priority‑tree structures to uncover dense suspicious sub‑graphs.

Information Securitybipartite graphe-commerce

0 likes · 14 min read

Fraudar: Graph-Based Fraud Detection in Bipartite Transaction Networks