Hi there👋! This is JC, currently an Assistant Professor in the Department of Computing at The Hong Kong Polytechnic University, Hong Kong SAR, leading the Lumen Group. I also hold a joint appointment in the Department of Land Surveying and Geo-Informatics. I defended my Ph.D. in December 2020 at the same university, during which period I was lucky to be supported by the Hong Kong PhD Fellowship (HKPFS) from Hong Kong RGC. Prior to that, I received my M.Phil. from Waseda University, Japan, and B.Eng. from Sichuan University, China, all in Computer Science and AI/ML. From 2021 to 2022, I did postdoctoral training at the University of Sydney, Australia, where I was also a Visiting Ph.D. from 2019 to 2020. Even earlier before I did my Ph.D., I spent nearly 2 years in the investment banking industry after Waseda.

I am generally interested in Efficient AI, which target learning/modeling with Limited Resources in terms of Data, Computing Capability, as well as exploring their derivative Applications on wide spectrums. Some specific topics include Zero/Few-shot Learning, Federated Learning, Representation Learning, Model Compression, and Lightweight Solutions for Foundation/Large Models. Our works are published in various prestigious venues, including AAAI, IJCAI, CVPR, ICML, ICLR, NeurIPS, MM, ATC, ICDCS, TNNLS, TPAMI, TMM, TC, TCSS, etc. As the Principal Investigator (PI), I have secured several external grants, including 2 × General Research Funds (GRF) from Hong Kong RGC, one Young Scientists Fund from NSFC, one Industrial Gifted Fund, and one Fundamental Research Fund for the Central Universities. I am currently serving as Associate Editor for IEEE Open Journal of the Computer Society (IF=5.9), Guest Editor for IEEE Transactions on Computational Social Systems (IF=5.0), and Guest Editor for Complex & Intelligent Systems (IF=5.0). I have served as Publicity Chair for SRDS 2022 (Vienna, Austria) and Track Chair (TPC Vice-Chair) for VTC 2024 Fall (Washington DC, USA), and have regularly served as Area Chair and Senior PC for prestigious venues like ICML, NeurIPS, ACM-MM, AAAI, IJCAI, etc. I am a Panel Reviewer for the General Program and the Young Scientists Fund of the National Natural Science Foundation of China (NSFC). I am a member of IEEE and CCF.

🌏 Lumen Group

Lumen-Lab 👈👈 Click for more information

We are actively looking for self-motivated PhD Students, Postdoctoral Researchers, and Research Assistants to work and have fun together on multiple research projects. Drop me an email (jc-jingcai.guo@polyu.edu.hk) with your complete CV if you are interested. Candidates with strong programming and mathematics backgrounds are preferred. Visiting Students/Researchers (onsite/remote) are also welcome!

I am fortunate to supervise and work together with these gifted students/staffs:

Current Members

  • Miaoge Li, Ph.D. Student (2024/05-); [last stop: Xidian University].
  • Zhijie Rao, Ph.D. Student (2024/05-) / Research Assistant (2023/09-2024/05); [last stop: Xiamen University].
  • Yang Chen, Ph.D. Student (2024/09-); [last stop: University of Electronic Science and Technology of China].
  • Tianqi Wang, Research Assistant (2024/09-); [last stop: University College London (UK)].
  • Fengxin Li, Visiting Ph.D. Student (2025/02-2025/08); [last stop: Renmin University of China].

Alumni

  • Jingming Liang, Research Assistant (2023/09-2024/03); [last stop: HUST; next stop: Ph.D. Student, University of Iowa (USA)]

🔥 News

💰 Grants

  • [PI]: Huawei Gifted Fund
    Project title: Towards Edge-Native Deployment and Post-Training of Foundation/Large Models
    Funding source: Huawei Technologies Co., Ltd., 2025-2028

  • [PI]: RGC General Research Fund (GRF)
    Project title: Advancing Robustness and Generalization in Edge AI Systems via Multi-view Representation-aware Model Refactoring
    Funding source: Research Grants Council of Hong Kong, 2025-2027

  • [PI]: RGC General Research Fund (GRF)
    Project title: Empowering TinyML with Low-shot Learning for Edge AI Systems
    Funding source: Research Grants Council of Hong Kong, 2024-2026

  • [PI]: Young Scientists Fund (NSFC)
    Project title: Entity Anti-fraud Prediction Combining Zero-Shot Learning and Graph Neural Networks
    Funding source: The National Natural Science Foundation of China (NSFC), 2022-2024

  • [PI]: PolyU Internal Fund
    Funding source: PolyU Research Grant, 2022-2024.

  • [PI]: Fundamental Research Funds
    Project title: Learning-Based Anti-Fraud Prevention in Financial Industry
    Funding source: The Fundamental Research Funds Scheme for the Central Universities (China)-JBK21YJ04, 2021-2021.

  • [Co-I]: Projects of RISUD
    Project title: A Bottom-up Integrated Strategy for Collecting Urban Functions and Land Use Details: Data-driven Perspective with Urban Geospatial Data in Hong Kong
    Funding source: Research Institute for Sustainable Urban Development, 2022-2024.

  • [Co-I]: Projects of RISUD
    Project title: Towards a Digital-twin System for Smart Mobility for People with Disabilities (PwDs) Using Multi-data Sensing and Big Data Analytics
    Funding source: Research Institute for Sustainable Urban Development, 2021-2024.

📚 Selected Publications

Selected Papers [ #-: Corresponding Author(s) ]

Static Badge - Learning from Limited Data

Static Badge - Learning with Limited Computing Capability

Static Badge - Derivative/Related Applications

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--2022 and Before--


Selected Books/Chapters

🧑🏻‍🏫 Teachings

As Instructor

  • Internet Infrastructure and Protocols (Syllabus), Postgraduate-level PolyU, Spring 2025.
  • Internet Infrastructure and Protocols (Syllabus), Postgraduate-level PolyU, Spring 2024.
  • Data Structures and Database Systems (Syllabus), Postgraduate-level, PolyU, Spring 2023.
  • Data Structures (Syllabus) × 3 sessions, Undergraduate-level, SWUFE, Fall 2021.

As Teaching Assistant

  • B2B&B2C E-commerce and Management, Postgraduate-level, PolyU, Spring 2019.
  • Information Systems Project Management, Postgraduate-level, PolyU, Fall 2018
  • Big Data Analytics, Undergraduate-level, PolyU, Spring 2018
  • Web Advertising and Web Publishing, Postgraduate-level, PolyU, Fall 2017

👔 Services

Conference Service

  • Area Chair: The 39th Annual Conference on Neural Information Processing Systems (NeurIPS 2025)
  • Area Chair: The 33rd ACM International Conference on Multimedia (ACM-MM 2025)
  • Senior PC: The 34th International Joint Conference on Artificial Intelligence (IJCAI 2025)
  • Area Chair: The 42st International Conference on Machine Learning (ICML 2025)
  • Senior PC: The 39th Annual AAAI Conference on Artificial Intelligence (AAAI 2025)
  • Session Chair: The 33rd International Joint Conference on Artificial Intelligence (IJCAI 2024)
  • Track Chair (TPC Vice-Chair): The 100th IEEE Vehicular Technology Conference (VTC 2024 Fall)
  • Area Chair: The 41st International Conference on Machine Learning (ICML 2024)
  • Area Chair: The 32nd ACM International Conference on Multimedia (ACM-MM 2024)
  • Session Chair: The 98th IEEE Vehicular Technology Conference (VTC 2023 Fall)
  • Publicity Chair: The 41st IEEE International Symposium on Reliable Distributed Systems (SRDS 2022)
  • Session Chair: The 23th IEEE International Conference on Multimedia and Expo (ICME 2022)

Journal Editorship

  • Guest Editor: Complex & Intelligent Systems (CAIS, 2025-)
  • Associate Editor: IEEE Open Journal of the Computer Society (IEEE OJ-CS, 2023-)
  • Guest Editor: IEEE Transactions on Computational Social Systems (IEEE TCSS, 2023-)

🎖 Selected Honors

  • Hong Kong Ph.D. Fellowship (2017),
    Awarding body: Hong Kong Research Grants Council (acceptance rate ~= 1.7%).

  • Ting Hsing International Scholarship (2013),
    Awarding body: Waseda University and Ting Hsin Holding Corp. (acceptance rate ~= 4.2%).

  • VTC2023-Fall Volunteer Service Award (2023),
    Awarding body: The IEEE Vehicular Technology Society

💗 Sponsors

I sincerely thank these sponsors for providing support for my research: