XU Yinqing Charles, Ph.D.


Associate, Robo-advisory Team

Department of Intelligent Wealth Management
Yunfeng Financial Group (a financial service firm backed by Jack Ma Yun 马云)


personal email:  xyqzkigmail.com


Currently I am an associate at Robo-advisory (智能投顾) team, Department of Intelligent Wealth Mangement, Yunfeng Financial Group . Before that, I obtained my Ph.D. in Text Mining and Machine Learning from The Chinese University of Hong Kong in July 2016, under the supervision of Prof.LAM Wai. and my B.E degree in Computer Science and Technology from Northwestern Polytechnical University in July 2012, under the supervision of Prof. Lei Xie .

Research Interests
Quantitative Strategy Research and Development, Portfolio Optimization, Probabilistic Topic Models, Text Mining, Information Retrieval, Natural Language Processing, Machine Learning

  1. Yinqing Xu, Tianyi Lin, Wai Lam. Exploiting Interactions of Review Text, Hidden User Communities and Item Groups, and Time for Collaborative Filtering Knowledge and Information Systems (KAIS, To appear).

  2. Bei Shi, Wai Lam, Lidong Bing, Yinqing Xu. Detecting Common Discussion Topics Across Culture From News Reader Comments. The Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (ACL'15, full paper, oral presentation).

  3. Yinqing Xu, Bei Shi, Wentao Tian, Wai Lam. A Unified Model for Unsupervised Opinion Spamming Detection Incorporating Text Generality. The Proceedings of the 24rd AAAI International Joint Conference on Artificial Intelligence (IJCAI'15, full paper, oral presentation).

  4. Yinqing Xu, Tianyi Lin, Wai Lam, Zirui Zhou, Hong Cheng, Anthony Man-Cho So. Latent Aspect Mining via Exploring Sparsity and Intrinsic Information. The Proceedings of the 23rd ACM International Conference on Information and Knowledge Management (CIKM'14, full paper, oral presentation), p879-888, 2014.

  5. Yinqing Xu, Wai Lam, Tianyi Lin. Collaborative Filtering Incorporating Review Text and Co-clusters of Hidden User Communities and Item Groups. To appear in the Proceedings of the 23rd ACM International Conference on Information and Knowledge Management (CIKM'14,full paper, oral presentation), p251-260, 2014.

  6. Yinqing Xu, Wai Lam, Rui Fan. Hidden Aspect Rating Discovery from Text Reviews of E-Commerce Web Sites. The Proceedings of The 3rd ASE International Conference on Big Data Science and Computing (BigDataScience'14, short paper), 2014.

  7. Lei Xie, Yinqing Xu, Lilei Zheng, Qiang Huang and Bingfeng Li, Speech Pattern Discovery using Audio-Visual Fusion and Canonical Correlation Analysis, Interspeech'12, Portland, Oregon, USA, September 9-13, 2012.

Texas Hold'em Big Fan

Last Modified: Sep, 2016