Zifan Liu (刘子凡)
Ph.D. Candidate, University of Wisconsin–Madison

I am a Ph.D. candidate in Computer Science at University of Wisconsin-Madison, advised by Dr. Theodoros (Theo) Rekatsinas. I am a member of UW-Madison Database Group.


  • Data-Centric AI
  • Data Cleaning
  • Data Selection
  • Machine Learning Model Debugging


University of Wisconsin–Madison
2018 - present
Ph.D. Candidate in Computer Science
Shanghai Jiao Tong University
2014 - 2018
B.S. in Computer Science
Outstanding Undergraduate of Shanghai Jiao Tong University


Summer 2022
Research Intern , Gray Systems Lab
Summer 2021
Research Intern , TFX


Rapidash: Efficient Constraint Discovery via Rapid Verification, 2023, In Submission
Zifan Liu , Shaleen Deep , Anna Fariha , Fotis Psallidas , Ashish Tiwari , Avrilia Floratou
AutoSlicer: Scalable Automated Data Slicing for ML Model Analysis, 2022, NeurIPS Workshop on Challenges in Deploying and Monitoring Machine Learning Systems
Zifan Liu , Evan Rosen , Paul Suganthan
Picket: Guarding Against Corrupted Data in Tabular Data during Learning and Inference, 2021, The VLDB Journal
Zifan Liu , Zhechun Zhou , Theodoros Rekatsinas
On Robust Mean Estimation under Coordinate-Level Corruption, 2021, Proceedings of International Conference on Machine Learning
Zifan Liu , Jongho Park , Theodoros Rekatsinas , Christos Tzamos
HyperSight: Boosting Distant 3D Vision on a Single Dual-Camera Smartphone, 2019, Proceedings of the 17th Conference on Embedded Networked Sensor Systems
Zifan Liu , Hongzi Zhu , Junchi Chen , Shan Chang , Lili Qiu
HyperEar: Indoor Remote Object Finding with a Single Phone, 2019, International Conference on Distributed Computing Systems
Hongzi Zhu , Yuxiao Zhang , Zifan Liu , Shan Chang , Yingying Chen


Teaching Assistant for CS640 Introduction to Computer Networks, Fall 2018
Teaching Assistant for CS642 Introduction to Computer and Information Security , Spring 2019