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Jihae Lee

Researcher at Tsinghua University

Publications -  4
Citations -  495

Jihae Lee is an academic researcher from Tsinghua University. The author has contributed to research in topics: The Internet & Feature selection. The author has an hindex of 3, co-authored 4 publications receiving 276 citations.

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FraudVis: Understanding Unsupervised Fraud Detection Algorithms

TL;DR: This work proposes a visualization system, FraudVis, to visually analyze the unsupervised fraud detection algorithms from temporal, intra- group correlation, inter-group correlation, feature selection, and the individual user perspectives, and helps domain experts better understand the algorithm output and the detected fraud behaviors.
Proceedings ArticleDOI

FDHelper: Assist Unsupervised Fraud Detection Experts with Interactive Feature Selection and Evaluation

TL;DR: This work designs and implements an end-to-end interactive visualization system, FDHelper, based on the deep understanding of the mechanism of the black market and fraud detection algorithms, and identifies a workflow based on experience from both fraud detection algorithm experts and domain experts.