publications

(*: equal contribution)

2026

1. arXiv

   Hypergraph Enterprise Agentic Reasoner over Heterogeneous Business Systems

   Ling Wang^*, Xin Liu^*, Songnan Liu, and 8 more authors

   arXiv preprint arXiv:2605.14259, 2026

   arXiv Bib HTML

   @article{wang2026hypergraphenterpriseagenticreasoner,
     title = {Hypergraph Enterprise Agentic Reasoner over Heterogeneous Business Systems},
     author = {Wang, Ling and Liu, Xin and Liu, Songnan and Wang, Jianan and Cheng, Cheng and Zhu, Yihan and Li, Enyu and Xiao, Yu and Xie, Jiangyong and Yan, Duogong and Chen, Jiangyi},
     journal = {arXiv preprint arXiv:2605.14259},
     year = {2026},
   }

2. NDSS

   RoundRole: Unlocking the Efficiency of Multi-party Computation with Bandwidth-aware Execution

   Xiaoyu Fan, Kun Chen, Jiping Yu, and 3 more authors

   In Proceedings of the Network and Distributed System Security (NDSS) Symposium, 2026

   Bib

   @inproceedings{fan2026roundrole,
     title = {RoundRole: Unlocking the Efficiency of Multi-party Computation with Bandwidth-aware Execution},
     author = {Fan, Xiaoyu and Chen, Kun and Yu, Jiping and Liu, Xin and Chen, Yunyi and Xu, Wei},
     booktitle = {Proceedings of the Network and Distributed System Security (NDSS) Symposium},
     year = {2026}
   }

2025

1. arXiv

   Detecting LLM-Generated Spam Reviews by Integrating Language Model Embeddings and Graph Neural Network

   Xin Liu^*, Rongwu Xu^*, Xinyi Jia, and 4 more authors

   arXiv preprint arXiv:2510.01801, 2025

   arXiv Bib

   @article{liu2025detecting,
     title = {Detecting LLM-Generated Spam Reviews by Integrating Language Model Embeddings and Graph Neural Network},
     author = {Liu, Xin and Xu, Rongwu and Jia, Xinyi and Liao, Jason and Sun, Jiao and Huang, Ling and Xu, Wei},
     journal = {arXiv preprint arXiv:2510.01801},
     year = {2025},
   }

2. arXiv

   Simplifying Root Cause Analysis in Kubernetes with StateGraph and LLM

   Yong Xiang, Charley Peter Chen, Liyi Zeng, and 4 more authors

   arXiv preprint arXiv:2506.02490, 2025

   arXiv Bib

   @article{xiang2025simplifying,
     title = {Simplifying Root Cause Analysis in Kubernetes with StateGraph and LLM},
     author = {Xiang, Yong and Chen, Charley Peter and Zeng, Liyi and Yin, Wei and Liu, Xin and Li, Hu and Xu, Wei},
     journal = {arXiv preprint arXiv:2506.02490},
     year = {2025},
   }

3. WeChat

   让AI读懂业务：本体论正在成为企业的"新智商"

   Xin Liu

   WeChat (in Chinese), 2025

   Bib HTML

   @article{liu2025wechat,
     title = {让AI读懂业务：本体论正在成为企业的"新智商"},
     author = {Liu, Xin},
     journal = {WeChat (in Chinese)},
     year = {2025},
   }

2024

1. CIKM

   Collaborative Fraud Detection on Large Scale Graph Using Secure Multi-Party Computation

   Xin Liu, Xiaoyu Fan, Rong Ma, and 4 more authors

   In Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, 2024

   Bib PDF

   @inproceedings{liu2024collaborative,
     title = {Collaborative Fraud Detection on Large Scale Graph Using Secure Multi-Party Computation},
     author = {Liu, Xin and Fan, Xiaoyu and Ma, Rong and Chen, Kun and Li, Yi and Wang, Guosai and Xu, Wei},
     booktitle = {Proceedings of the 33rd ACM International Conference on Information and Knowledge Management},
     pages = {1473--1482},
     year = {2024},
   }

2020

1. CHI

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

   Jiao Sun, Yin Li, Charley Chen, and 6 more authors

   In Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems, 2020

   Bib

   @inproceedings{sun2020fdhelper,
     title = {FDHelper: Assist Unsupervised Fraud Detection Experts with Interactive Feature Selection and Evaluation},
     author = {Sun, Jiao and Li, Yin and Chen, Charley and Lee, Jihae and Liu, Xin and Zhang, Zhongping and Huang, Ling and Shi, Lei and Xu, Wei},
     booktitle = {Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems},
     pages = {1--12},
     year = {2020}
   }

2019

1. WWW

   No place to hide: Catching fraudulent entities in tensors

   Yikun Ban, Xin Liu, Ling Huang, and 3 more authors

   In The World Wide Web Conference, 2019

   Bib PDF Poster

   @inproceedings{yikun2019no,
     title = {No place to hide: Catching fraudulent entities in tensors},
     author = {Ban, Yikun and Liu, Xin and Huang, Ling and Duan, Yitao and Liu, Xue and Xu, Wei},
     booktitle = {The World Wide Web Conference},
     pages = {83--93},
     year = {2019},
   }

2018

1. arXiv

   Catching Loosely Synchronized Behavior in Face of Camouflage

   Yikun Ban, Jiao Sun, Xin Liu, and 3 more authors

   arXiv preprint arXiv:1810.08885, 2018

   arXiv Bib

   @article{ban2018catching,
     title = {Catching Loosely Synchronized Behavior in Face of Camouflage},
     author = {Ban, Yikun and Sun, Jiao and Liu, Xin and Huang, Ling and Duan, Yitao and Xu, Wei},
     journal = {arXiv preprint arXiv:1810.08885},
     year = {2018},
   }

2. PacificVis

   FraudVis: Understanding Unsupervised Fraud Detection Algorithms

   Jiao Sun, Qixin Zhu, Zhifei Liu, and 6 more authors

   In 2018 IEEE Pacific Visualization Symposium (PacificVis), 2018

   Bib

   @inproceedings{sun2018fraudvis,
     title = {FraudVis: Understanding Unsupervised Fraud Detection Algorithms},
     author = {Sun, Jiao and Zhu, Qixin and Liu, Zhifei and Liu, Xin and Lee, Jihae and Su, Zhigang and Shi, Lei and Huang, Ling and Xu, Wei},
     booktitle = {2018 IEEE Pacific Visualization Symposium (PacificVis)},
     pages = {170--174},
     year = {2018},
     organization = {IEEE}
   }