Search Results for author: Yilmazcan Ozyurt

Found 3 papers, 2 papers with code

Behavioral graph fraud detection in E-commerce

no code implementations13 Oct 2022 Hang Yin, Zitao Zhang, Zhurong Wang, Yilmazcan Ozyurt, Weiming Liang, Wenyu Dong, Yang Zhao, Yinan Shan

Our experiments show that embedding features learned from similarity based behavioral graph have achieved significant performance increase to the baseline fraud detection model in various business scenarios.

Fraud Detection graph construction +1

Contrastive Learning for Unsupervised Domain Adaptation of Time Series

1 code implementation13 Jun 2022 Yilmazcan Ozyurt, Stefan Feuerriegel, Ce Zhang

To the best of our knowledge, ours is the first framework to learn domain-invariant, contextual representation for UDA of time series data.

Contrastive Learning Time Series +2

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