Liu, Yang

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PhD Candidate,
Key Lab of Intelligent Information Processing of Chinese Academy of Sciences,
Institute of Computing Technology (ICT),
Chinese Academy of Sciences (CAS),
No. 6 Kexueyuan South Rd.
Haidian Dist., Beijing, China
E-mail: liuyang17z [@] ict [DOT] ac [DOT] cn

About me

I am a PhD candidate in the Key Laboratory of Intelligent Information Processing of Chinese Academy of Sciences(CAS), ICT, CAS.

I am fortunate to be supervised by Prof. Qing He and co-supervised by Prof. Xiang Ao. Here is my Google Scholar.

Previously, I received the B.S. degree in Mathematics from Nanjing University (NJU) in 2017.

Research

My research interests include

  • Financial Fraud Detection

  • Graph Representation Learning

  • Spatio-temporal Activity Modeling

Find out more.

Recent Publications

  1. Yang Liu, Xiang Ao, Zidi Qin, Jianfeng Chi, Jinghua Feng, Hao Yang and Qing He. "Pick and Choose: A GNN-based Imbalanced Learning Approach for Fraud Detection", In Proceedings of the Web Conference (WWW), 2021. [Paper] [Slides] [Talk]

  2. Yang Liu, Xiang Ao, Qiwei Zhong, Jinghua Feng, Jiayu Tang, and Qing He. "Alike and Unlike: Resolving Class Imbalance Problem in Financial Credit Risk Assessment", In Proceedings of the 29th ACM International Conference on Information and Knowledge Management (CIKM), 2020. [Paper] [Slides] [Talk] [ACM]

  3. Yang Liu, Xiang Ao, Linfeng Dong, Chao Zhang, Jin Wang, and Qing He. " Spatiotemporal Activity Modeling via Hierarchical Cross-Modal Embedding ", IEEE Transactions on Knowledge and Data Engineering (TKDE), 2020. [Paper] [IEEE]

  4. Xiang Ao, Yang Liu, Zidi Qin, Yi Sun and Qing He. "Temporal High-order Proximity Aware Behavior Analysis on Ethereum ", World Wide Web (WWWJ). [Paper]

  5. Qiwei Zhong, Yang Liu, Xiang Ao, Binbin Hu, Jinghua Feng, Jiayu Tang and Qing He. "Financial Defaulter Detection on Online Credit Payment via Multi-view Attributed Heterogeneous Information Network", In Proceedings of the Web Conference (WWW), 2020. [Paper] [Slides] [Talk] [ACM]

Full list of publications.