Closeup of Joann Qiongna Chen

Joann Q. Chen, Ph.D.

Pronouns: she, her

Assistant Professor of Computer Science

College of Sciences
Department of Computer Science

San Diego

Office Hours

Wed 2-3pm

Location
GMCS 536
5500 Campanile Dr
San Diego, CA, 92182
Mail Code
[1234]
Fax
[619-594-####]
Accounts

Areas of Expertise

Differential Privacy, Privacy Enhancing Technologies, Privacy in Machine Learning

Student Opportunities

  1. Now hiring 1 RAs for research in Differential Privacy.

Bio

Dr. Chen’s research interests center around Differential Privacy (DP), privacy-enhancing technologies, and privacy in machine learning. She has experience in working on differentially private DNS resolution, DP for data stream release, differentially private resource allocator, and quantifying privacy risks in machine learning.

Details

Courses
  1. CS 549- Machine Learning
Education
  1. Ph.D., University of California, Irvine, 2024.
    Major: Electrical and Computer Engineering
  2. M.S., University of Southern California, 2019.
    Major: Electrical Engineering
Publications
  1. A Comprehensive Study of Privacy Risks in Curriculum Learning. Accepted by the 25th Privacy Enhancing Technologies Symposium (PETS), July 2025. Joann Qiongna Chen, Xinlei He, Zheng Li, Yang Zhang, Zhou Li.
  2. NetDPSyn: Synthesizing Network Traces under Differential Privacy. Accepted by the 24th ACM Internet Measurement Conference (IMC), November 2024. Danyu Sun, Joann Qiongna Chen, Chen Gong, Tianhao Wang, Zhou Li.
  3. Differentially Private Resource Allocator. Accepted by the 39th Annual Computer Security Applications Conference (ACSAC), December 2023. & Theory and Practice of Differential Privacy (TPDP) Workshop, 2023. Joann Qiongna Chen, Tianhao Wang, Zhikun Zhang, Yang Zhang, Somesh Jha, Zhou Li.
  4. Hide and Seek: Revisiting DNS-based User Tracking. Accepted by 7th IEEE European Symposium on Security and Privacy (EuroS&P), June 2022. Deliang Chang*, Joann Qiongna Chen*, Zhou Li, Xing Li.
  5. Continuous Release of Data Streams under both Centralized and Local Differential Privacy. Accepted by the 28th ACM Conference on Computer and Communications Security (CCS), Virtual, November 2021. Tianhao Wang, Joann Qiongna Chen, Zhikun Zhang, Dong Su, Yueqiang Cheng, Zhou Li, Ninghui Li, Somesh Jha.
  6. From WHOIS to WHOWAS: A Large-Scale Measurement Study of Domain Registration Privacy under the GDPR. In Proceedings of the 28th Annual Network and Distributed System Security Symposium (NDSS), Virtual, February 2021. Baojun Liu, Chaoyi Lu, Yiming Zhang, Zhou Li, Fenglu Zhang, Haixin Duan, Ying Liu, Joann Qiongna Chen, Jinjin Liang, Zaifeng Zhang, Shuang Hao, Min Yang.
  7. Splitting Algorithm of Valuation Algebra and Its Application in Automaton Representation of Semiring Valued Constraint Problems. Quantitative Logic and Soft Computing 2016 Springer, Cham, 2017. 203-212. Bang-He Han, Yong-Ming Li, Joann Qiongna Chen.
Presentations
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Service
  1. Program Committee:
    USENIX Security 2025
    TPDP 2024
    WPES 2024
Grants
  1. ACM CCS Student Conference Grant
  2. USENIX Security Student Grant
  3. IEEE S&P Student Travel Grant
Clinical Trials
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Awards & Honors
  1. NDSS Student Grant Award
Patents & Copyrights
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Media
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Fun Facts
  1. What is your favorite thing to do with your free time?
    I love making pottery and go on hikes