Name: Li Youqi
Discipline: Computer Science and Technology
Title: Assistant Professor, Special Associate Researcher
Contact number:
E-mail: liyouqi@bit.edu.cn
Address: Room 807, Central Teaching Building, Beijing University of Technology Personal Information
Li Youqi, pre-appointed Assistant Professor, Special Associate Researcher, Master Supervisor. He received his bachelor's degree and Doctor's degree from the School of Computer Science, Beijing Institute of Technology in 2015 and 2020 respectively (supervisor: Professor Li Fan). From 2020 to 2022, he worked as a postdoctoral fellow at the School of Cyberspace Security, Beijing Institute of Technology (co-supervisors: Professor Zhu Liehuang, Professor Li Fan). His research interests include Internet of Things, swarm intelligence perception, Federation learning, game theory and incentive design, advanced network and data security, theoretical security, artificial intelligence security, trusted big data systems, AI theory (PAC learnable theory, sample complexity). In recent years, he has published A number of papers in internationally renowned journals, including CCF Class A papers and papers of the first district of the Chinese Academy of Sciences, and published two English monographs. He presided over the sub-projects of the National Key Research and Development Plan, the National Natural Science Foundation and the China Post-doctoral level funding projects.

Research Direction
Internet of Things, swarm Intelligence perception, Federation Learning, Game Theory and incentive Design, Advanced Network and data security, Theoretical security, Artificial Intelligence security, trusted Big Data Systems, AI Theory (PAC Learnable theory, sample complexity)

Personal Information
Li Youqi, pre-appointed Assistant Professor, Special Associate Researcher, Master Supervisor. He received his bachelor's degree and Doctor's degree from the School of Computer Science, Beijing Institute of Technology in 2015 and 2020 respectively (supervisor: Professor Li Fan). From 2020 to 2022, he worked as a postdoctoral fellow at the School of Cyberspace Security, Beijing Institute of Technology (co-supervisors: Professor Zhu Liehuang, Professor Li Fan). His research interests include Internet of Things, swarm intelligence perception, Federation learning, game theory and incentive design, advanced network and data security, theoretical security, artificial intelligence security, trusted big data systems, AI theory (PAC learnable theory, sample complexity). In recent years, he has published A number of papers in internationally renowned journals, including CCF Class A papers and papers of the first district of the Chinese Academy of Sciences, and published two English monographs. He presided over the sub-projects of the National Key Research and Development Plan, the National Natural Science Foundation and the China Post-doctoral level funding projects.

Personal Information
Li Youqi, pre-appointed Assistant Professor, Special Associate Researcher, Master Supervisor. He received his bachelor's degree and Doctor's degree from the School of Computer Science, Beijing Institute of Technology in 2015 and 2020 respectively (supervisor: Professor Li Fan). From 2020 to 2022, he worked as a postdoctoral fellow at the School of Cyberspace Security, Beijing Institute of Technology (co-supervisors: Professor Zhu Liehuang, Professor Li Fan). His research interests include Internet of Things, swarm intelligence perception, Federation learning, game theory and incentive design, advanced network and data security, theoretical security, artificial intelligence security, trusted big data systems, AI theory (PAC learnable theory, sample complexity). In recent years, he has published A number of papers in internationally renowned journals, including CCF Class A papers and papers of the first district of the Chinese Academy of Sciences, and published two English monographs. He presided over the sub-projects of the National Key Research and Development Plan, the National Natural Science Foundation and the China Post-doctoral level funding projects.

代表性学术成果
教学/科研专著：
1. Youqi Li, Fan Li, Song Yang and Chuan Zhang, "Incentive Mechanism for Mobile Crowdsensing: A Game-theoretic Approach", Springer, ISBN: 978-981-99-6920-3, January 2024.
2. Chuan Zhang, Tong Wu, Youqi Li, Liehuang Zhu, "Privacy-Preserving in Mobile Crowdsensing", Springer 2023, ISBN: 978-981-19-8314-6, pp. 3-197
论文
1. Youqi Li, Fan Li, Song Yang, Chuan Zhang, Liehuang Zhu, Yu Wang. “A Cooperative Analysis to Incentivize Communication-Efficient Federated Learning”. IEEE Transactions on Mobile Computing (TMC), 1–16, 2024, Early Access. (CCF A).
2. Youqi Li, Fan Li, Lixing Chen, Liehuang Zhu, Pan Zhou, and Yu Wang. "Power of Redundancy: Surplus Client Scheduling for Federated Learning against User Uncertainties". IEEE Transactions on Mobile Computing (TMC), 22(9): 5449 - 5462, 2023. (CCF A)
3. Youqi Li, Fan Li, Song Yang, Pan Zhou, Liehuang Zhu, and Yu Wang. "Three-stage Stackelberg long-term incentive mechanism and monetization for crowdsensing: An Online Learning Approach". IEEE Transactions on Network Science and Engineering (TNSE), 8(2): 1385 - 1398, 2021. (SCI)
4. Youqi Li, Fan Li, Liehuang Zhu, Huijie Chen, Ting Li, and Yu Wang. "Fair Incentive Mechanism with Imperfect Quality in Privacy- Preserving Crowdsensing". IEEE Internet of Things Journal, 9(19):19188-200, 2022. (SCI)
5. Youqi Li, Fan Li, Song Yang, Yue Wu, Huijie Chen, Kashif Sharif, and Yu Wang. "MP-Coopetition: Competitive and Cooperative Mechanism for Multiple Platforms in Mobile Crowd Sensing". IEEE Transactions on Services Computing (TSC), 14(6): 1864 - 1876, 2019. (CCF A)
6. Youqi Li, Fan Li, Song Yang, Huijie Chen, Qian Zhang, Yue Wu, and Yu Wang. "PTASIM: Incentivizing Crowdsensing With POI-Tagging Cooperation Over Edge Clouds". IEEE Transactions on Industrial Informatics (TII), 16(7): 4823 - 4831, 2019. (SCI)
7. Youqi Li, Fan Li, Liehuang Zhu, Karshif Sharif, and Huijie Chen. "A Two‑tiered Incentive Mechanism Design for Federated Crowd Sensing". CCF Transactions on Pervasive Computing and Interaction (TPCI), 4(4): 339 - 356
8. Junheng Wang, Fan Li, Song Yang, Youqi Li, and Yu Wang. "A Real-Time Bike Trip Planning Policy With Self-Organizing Bike Redistribution". IEEE Transactions on Intelligent Transportation Systems (TITS), 23(8):10646-10661, 2021. (CCF B, SCI)
9. Fan Li, Huijie Chen, Xiaoyu Song, Qian Zhang, Youqi Li, and Yu Wang. "CondioSense: High-quality Context-aware Service for Audio Sensing System via Active Sonar". Personal and Ubiquitous Computing, 21(1): 17-29, 2017. (CCF C, SCI)
10. Haotian Liang, Youqi Li, Chuan Zhang, Ximeng Liu, and Liehuang Zhu. "EGIA: An External Gradient Inversion Attack in Federated Learning". IEEE Transactions on Information Forensics and Security (TIFS), 18: 4984 - 4995, 2023. (CCF A, SCI Q1)
11. Qiuyang Zeng, Fan Li, Zhiyuan Zhao, Youqi Li, Yu Wang. "AcouWrite: Acoustic-based Handwriting Recognition on Smartphones". IEEE Transactions on Mobile Computing (TMC), 2024, Early Access. (CCF A)
所获奖励
IEEE杰出服务奖