Dr. FANG, Juanru

About

Juanru is an Assistant Lecturer in the Department of Computer Science at The University of Hong Kong (HKU). She obtained her Ph.D. from the Hong Kong University of Science and Technology (HKUST) in 2025 under the supervision of Professor Ke Yi. Prior to this, she received her B.Eng. in Computer Science from HKUST in 2020.

Selected publications

• Wei Dong, Juanru Fang, Ke Yi, Yuchao Tao, and Ashwin Machanavajjhala. "Instance-optimal Truncation for Differentially Private Query Evaluation with Foreign Keys." TODS, 49(4):13, November 2024 (invited).
• Juanru Fang, and Ke Yi. “Privacy Amplification by Sampling under User-level Differential Privacy.” SIGMOD, June 2024.Juanru Fang, Wei Dong, and Ke Yi. “Shided Inverse: A General Mechanism for Monotonic Functions under User Differential Privacy.” CCS, November 2022.
• Wei Dong, Juanru Fang, Ke Yi, Yuchao Tao, and Ashwin Machanavajjhala. “R2T: Instance-optimal Truncation for Differentially Private Query Evaluation with Foreign Keys.” SIGMOD, June 2022. (Best paper award)