activity
20202025
most citedxFraud: Explainable Fraud Transaction Detection

46 citations · 62 across the 9 of their papers we have counts for

collaborators

9 papers

cs.LG2025

MLKV: Efficiently Scaling up Large Embedding Model Training with Disk-based Key-Value Storage

Yongjun He, Roger Waleffe, Zhichao Han +8

Many modern machine learning (ML) methods rely on embedding models to learn vector representations (embeddings) for a set of entities (embedding tables). As increasingly diverse ML…

cs.LG2024★ 6 cited

Multi-task CNN Behavioral Embedding Model For Transaction Fraud Detection

Bo Qu, Zhurong Wang, Minghao Gu +4

The burgeoning e-Commerce sector requires advanced solutions for the detection of transaction fraud. With an increasing risk of financial information theft and account takeovers, d…

cs.LG2023

BenchTemp: A General Benchmark for Evaluating Temporal Graph Neural Networks

Qiang Huang, Jiawei Jiang, Xi Susie Rao +10

To handle graphs in which features or connectivities are evolving over time, a series of temporal graph neural networks (TGNNs) have been proposed. Despite the success of these TGN…

cs.LG2022

Behavioral graph fraud detection in E-commerce

Hang Yin, Zitao Zhang, Zhurong Wang +5

In e-commerce industry, graph neural network methods are the new trends for transaction risk modeling.The power of graph algorithms lie in the capability to catch transaction linki…

cs.LG2022★ 1 cited

BRIGHT -- Graph Neural Networks in Real-Time Fraud Detection

Mingxuan Lu, Zhichao Han, Susie Xi Rao +6

Detecting fraudulent transactions is an essential component to control risk in e-commerce marketplaces. Apart from rule-based and machine learning filters that are already deployed…

cs.LG2022★ 5 cited

Modelling graph dynamics in fraud detection with "Attention"

Susie Xi Rao, Clémence Lanfranchi, Shuai Zhang +7

At online retail platforms, detecting fraudulent accounts and transactions is crucial to improve customer experience, minimize loss, and avoid unauthorized transactions. Despite th…

cs.LG2021★ 2 cited

Graph Neural Networks in Real-Time Fraud Detection with Lambda Architecture

Mingxuan Lu, Zhichao Han, Zitao Zhang +2

Transaction checkout fraud detection is an essential risk control components for E-commerce marketplaces. In order to leverage graph networks to decrease fraud rate efficiently and…

cs.LG2020★ 2 cited

Suspicious Massive Registration Detection via Dynamic Heterogeneous Graph Neural Networks

Susie Xi Rao, Shuai Zhang, Zhichao Han +6

Massive account registration has raised concerns on risk management in e-commerce companies, especially when registration increases rapidly within a short time frame. To monitor th…

cs.LG2020★ 46 cited

xFraud: Explainable Fraud Transaction Detection

Susie Xi Rao, Shuai Zhang, Zhichao Han +6

At online retail platforms, it is crucial to actively detect the risks of transactions to improve customer experience and minimize financial loss. In this work, we propose xFraud,…