Keyun Cheng

Ph.D. Student Department of Computer Science and Engineering The Chinese University of Hong Kong Sha Tin, New Territories Hong Kong, China Office: Room 118, Ho Sin-Hang Engineering Building Email: kycheng [at] cse.cuhk.edu.hk [Github] [LinkedIn] [CV]

About

Keyun Cheng is a Ph.D. candidate at Department of Computer Science and Engineering, The Chinese University of Hong Kong. He is a member of Applied Distributed System Lab (ADSLab), supervised by Prof. Patrick P. C. Lee. He received the B.Eng degree in Software Engineering from Sun Yat-Sen University in 2018, the M.Sc. degree in Computer Science from The Chinese University of Hong Kong in 2019.

His research interests include distributed storage systems and erasure coding.

Education

• 2020.08 - Present: Ph.D. in Computer Science and Engineering, The Chinese University of Hong Kong

• 2018.08 - 2019.07: M.Sc. in Computer Science, The Chinese University of Hong Kong

• 2014.08 - 2018.07: B.Eng in Software Engineering, Sun Yat-Sen University

Publications

Conferences

1. Xiaolu Li, Keyun Cheng, Kaicheng Tang, Patrick P. C. Lee, Yuchong Hu, Dan Feng, Jie Li, and Ting-Yi Wu.
   “ParaRC: Embracing Sub-Packetization for Repair Parallelization in MSR-Coded Storage.”
   Proceedings of the 21st USENIX Conference on File and Storage Technologies (FAST 2023), Santa Clara, CA, US, February 2023.
   (AR: 28/122 = 23.0%)
   [pdf] [code]

2. Kaicheng Tang, Keyun Cheng, Helen H. W. Chan, Xiaolu Li, Patrick P. C. Lee, Yuchong Hu, Jie Li, and Ting-Yi Wu.
   “Balancing Repair Bandwidth and Sub-packetization in Erasure-Coded Storage via Elastic Transformation.”
   Proceedings of IEEE International Conference on Computer Communications (INFOCOM 2023), New York, US, May 2023.
   (AR: 252/1312 = 19.2%)
   [pdf] [code]

3. Yueming Jin, Keyun Cheng, Qi Dou, Pheng Ann Heng.
   “Incorporating Temporal Prior from Motion Flow for Instrument Segmentation in Minimally Invasive Surgery Video.”
   Proceedings of the 22nd International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI 2019), Shenzhen, China, Oct 2019. (Oral)
   [pdf] [code]

Journals

1. Xiaolu Li, Keyun Cheng, Zhirong Shen, and Patrick P. C. Lee.
   “Fast Proactive Repair in Erasure-Coded Storage: Analysis, Design, and Implementation.”
   IEEE Transactions on Parallel and Distributed Systems (TPDS), 33(12), pp. 3400-3414, December 2022.
   (An earlier version appeared in DSN 2019)
   [main pdf] [supp pdf] [code]

Teaching

Teaching Assistant, The Chinese University of Hong Kong

• CSCI5550 Advanced File and Storage Systems (Instructor: Patrick P. C. Lee)

  • Fall 2023

• CSCI1120B Introduction to Computing Using C++ (Instructor: Law Yat Chiu, King Tim Lam)

  • Fall 2022

• AIST3020 Introduction to Computer Systems (Instructor: Patrick P. C. Lee)

  • Spring 2023, Spring 2022

• CSCI4180 Introduction to Cloud Computing and Storage (Instructor: Patrick P. C. Lee)

  • Fall 2021

Teaching Assistant, Sun Yat-Sen University

• Probablity Theory and Statistics (Instructor: Weiqi Luo)

  • Fall 2017

• Complexity Analysis for Engineering (Instructor: Weiqi Luo)

  • Spring 2018

Professional Activities

Reviewer

• IEEE ISIT 2024

Awards

• CUHK Postgraduate Studentship (2020 - 2023)

• Dean's List Scholarship, M.Sc. in CS, CUHK, 2019.

• First Prize Winner (top 3) of Distinguished Academic Performance Scholarship, M.Sc. in CS, CUHK, 2019.