Research output per year
Research output per year
Personal profile
Author IDs
ORCID iD: 0000-0003-2756-4984
Scopus Author ID: 56303521100
Impact
Qualifications (Brief)
BS. MS., Tsinghua University,
Ph.D., UCLA
Biography
Prof. Linqi Song is an Associate Professor with the Department of Computer Science, City University of Hong Kong. He received the Ph.D. degree in electrical engineering from the University of California, Los Angeles (UCLA), USA and the B.S. and M.S. degrees from Tsinghua University, China. He was a Postdoctoral Scholar with the Department of Electrical and Computer Engineering, UCLA. His research interests include LLMs, reinforcement learning, federated learning, and information theory. He has published journal and conference papers at main AI and IT venues, such as IEEE TIT, TPAMI, JSAC, TMC, JSTSP, NeurIPS, ICLR, and ACL. He has been the Associate Editor/Guest Editor for several journals, such as DSP, ICN, and he has been serving as TPC members for IEEE ISIT, ITW, Mobihoc, Infocom, etc. He has received the Best Paper Awards of IEEE MIPR 2020, the Best Paper Award of China Communications 2023, and three Silver Medals of Geneva International Exhibition of Inventions.
Prizes/Honours
- Best Paper Award, IEEE MIPR 2020
- Best Paper Award, China Communications, 2023
- 3 Silver Medals, Geneva International Exhibition of Inventions 2024, 2025.
Research Interests/Areas
- Large Language Models, Information Theory, Reinforcement Learning, Federated Learning, Natural Language Processing, Recommender Systems, FinTech, Internet of Vehicles, Artificial Intelligence, Machine Learning
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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Collaborations from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
Research output
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A Scalable Test Problem Generator for Sequential Transfer Optimization
Xue, X., Yang, C., Feng, L., Zhang, K., Song, L. & Tan, K. C., May 2025, In: IEEE Transactions on Cybernetics. 585, 5, p. 2110-2123Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
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Cooperative Multi-Model Training for Personalized Federated Learning over Heterogeneous Devices
Xu, J., Wan, S., Li, Y., Luo, S., Chen, Z., Shao, Y., Chen, Z., Huang, S.-L. & Song, L., Jan 2025, In: IEEE Journal on Selected Topics in Signal Processing. 19, 1, p. 195-207Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
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DETERMINE-THEN-ENSEMBLE: NECESSITY OF TOP-k UNION FOR LARGE LANGAUGE MADEL ENSEMBLING
Yao, Y., Wu, H., Liu, M., Luo, S., Han, X., Liu, J., Guo, Z. & Song, L., Jun 2025, International Conference on Representation Learning 2025 (ICLR 2025). Yue, Y., Garg, A., Peng, N., Sha, F. & Yu, R. (eds.). International Conference on Learning Representations, ICLR, p. 1-19 19 p. (International Conference on Learning Representations).Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review
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DiffETM: Diffusion Process Enhanced Embedded Topic Model
Shao, W., Liu, M. & Song, L., 2025, Proceedings of the 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review
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Enabling knowledge discovery through low utility itemset mining
Zhang, X., Chen, G., Song, L. & Gan, W., 15 Mar 2025, In: Expert Systems with Applications. 265, 125955.Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
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TDG(CityU): Developing LLM-RAG Based Course Assistants to Enhance Students' Team-based Learning
SONG, L. (Principal Investigator / Project Coordinator)
1/11/24 → …
Project: Research
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ITF: Key Technology Research on "Vehicle-Road-Network" Collaboration and Optimization for Smart Urban Transportation System
XU, W. (Principal Investigator / Project Coordinator), MA, K. (Co-Investigator), SONG, L. (Co-Investigator) & ZHANG, Q. (Co-Investigator)
1/07/24 → …
Project: Research
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CRF-Sub-pj: Knowledge-Driven Digital Twin Networking for Autonomous Driving
SONG, L. (Principal Investigator / Project Coordinator)
30/06/24 → …
Project: Research
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CRF: Knowledge-Driven Digital Twin Networking for Autonomous Driving
WANG, J. (Principal Investigator / Project Coordinator), Guo, S. (Co-Principal Investigator), LIANG, W. (Co-Principal Investigator), QI, X. (Co-Principal Investigator), SONG, L. (Co-Principal Investigator) & WU, D. (Co-Principal Investigator)
30/06/24 → …
Project: Research
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DON: Efficient Training for LLMs from Information Theory’s Perspective - RMGS
SONG, L. (Principal Investigator / Project Coordinator)
1/05/24 → …
Project: Research
Prizes
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Silver Medal at the 50th International Exhibition of Inventions Geneva
SONG, L. (Recipient), LUO, S. (Recipient), LI, Y. (Recipient) & DENG, G. (Recipient), Apr 2025
Prize: RGC 64B - Prizes and awards
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Silver Medal at the 49th International Exhibition of Inventions of Geneva
SONG, L. (Recipient), LUO, S. (Recipient) & LI, Y. (Recipient), Apr 2024
Prize: RGC 64B - Prizes and awards
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Silver Medal at the 49th International Exhibition of Inventions of Geneva
SONG, L. (Recipient), LUO, S. (Recipient) & LI, Y. (Recipient), Apr 2024
Prize: RGC 64B - Prizes and awards
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Bronze Award at the 4th Asia Exhibition of Innovations and Inventions (AEII)
SONG, L. (Recipient), LI, Y. (Recipient), LUO, S. (Recipient) & DENG, G. (Recipient), 6 Dec 2024
Prize: RGC 64B - Prizes and awards
Press/Media
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CityUHK triumphs at the International Exhibition of Inventions of Geneva with 36 awards
PANG, S. W., TSE, C. K., FENG, S. P., CHAN, C. H., WU, G., KUO, W., JIANG, C., ZHU, Z., CHUNG, S. H. H., HU, J., CHEN, M. K., TSAI, D.-P., LIN, S. K. C., CHAN, L. L., LU, J., LY, T. H., LI, L., LAU, C., LI, X., HILL, F. I., WANG, C., KO, C. C. V., LEUNG, M. Y. K., YU, K. N. P., LAU, T. C., HO, J. C. Y., SONG, L., WANG, S., TU, K. N., LIU, Y., LU, Z., ZUKERMAN, M., WANG, Y., SUN, Y., YAN, H., LAU, C. K. T. & BAN, K.
20/04/24
8 items of Media coverage
Press/Media: Press / Media
Activities
- 3 RGC 61 - Journal editor
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Journal of information and Intelligence (Journal)
SONG, L. (Associate Editor)
Sept 2024 → Sept 2027Activity: Publication peer-review and editorial work (RGC: 61) › RGC 61 - Journal editor
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Digital Signal Processing (Journal)
SONG, L. (Guest Editor)
23 Sept 2020 → 23 Sept 2021Activity: Publication peer-review and editorial work (RGC: 61) › RGC 61 - Journal editor
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Intelligent and Converged Networks (Journal)
SONG, L. (Associate Editor)
Mar 2020 → Feb 2026Activity: Publication peer-review and editorial work (RGC: 61) › RGC 61 - Journal editor