DEPARTMENT OF APPLIED MATHEMATICS 106 Email yancheng.yuan@polyu.edu.hk Qualification BSc (University of Science and Technology of China) PhD (National University of Singapore) ORCID ID 0000-0002-8243-4683 Dr YUAN Yancheng Assistant Professor Research Areas (1) Optimisation: Algorithm design, analysis, and software development (2) Artificial Intelligence (AI): Mathematical foundation for data science, AI for optimisation (3) Data-driven applications: Healthcare, recommender system, metaverse Representative Publications • Yancheng Yuan, Tsung-Hui Chang, Defeng Sun, and KimChuan Toh, “A dimension reduction technique for structured sparse optimization problems with application to convex clustering”, SIAM Journal on Optimization, 32: 3, 2022 2294–2318 • Guang Cheng, Yini Gao, Yancheng Yuan, Chenxiao Zhang, Zhichao Zheng, “On the Test Accuracy and Effective Control of the COVID-19 Pandemic: A Case Study in Singapore”, INFORMS Journal on Applied Analytics, 2022, DOI: doi.org/10.1287/inte.2022.1117 • Defeng Sun, Kim-Chuan Toh, and Yancheng Yuan, “Convex clustering: Model, theoretical guarantee and efficient algorithm”, Journal of Machine Learning Research, 22(9): 1–32, 2021 • Xiang Wang, Tinglin Huang, Dingxian Wang, Yancheng Yuan, Zhenguang Liu, Xiangnan He and Tat-Seng Chua, “Learning Intents behind Interactions with Knowledge Graph for Recommendation”, The Web Conference (WWW), 2021, 878-887 • Defeng Sun, Kim-Chuan Toh, Yancheng Yuan and XinYuan Zhao, “SDPNAL+: A Matlab software for semidefinite programming with bound constraints (version 1.0)”, Optimization Methods and Software, 35, 2020, 87–115 • Yancheng Yuan, Defeng Sun and Kim-Chuan Toh, “An efficient semismooth Newton based algorithm for convex clustering”, 35th International Conference on Machine Learning (ICML) 2018, 5718–5726 • Yao Peng, Juyong Zhang, Yancheng Yuan, Shuyuan Zhu, Lu Fang, “Robust Interactive Image Segmentation Via Iterative Refinement”, Proc. of IEEE International Conference on Image Processing (ICIP), 2014, 4383–4387 Awards and Achievements • Best Paper Award Finalist, WWW, 2021 • Alumni Start-Up Catalyst Award, National University of Singapore, 2017 • Top 10% Paper Award, International Conference on Image Processing, 2014
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