Haojian Jin
haojian@ucsd.edu
office: HDSI 341
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I'm an Assistant Professor in Halıcıoğlu Data Science Institute (HDSI) and Department of Computer Science and Engineering (affiliate) at UC San Diego.
I am a human-centered system researcher. My research lies at the intersection of human-computer interaction, privacy and security, and systems, focusing primarily on two conflicting questions:
I am recruiting PhD students and MS/undergrad research interns. See more details here.
A World Model for Privacy Design: Build a closed-ended representation of privacy design space that helps predict the consequences of specific design decisions and automates compliance.
Papers: [Oakland'25] [PETS'25] [CHI'24] [CHI'24] [CHI'22]
[TOCHI'21]
Software: [Panopticon];
Course: [Designing Privacy-Sensitive Data Systems]
Parental Control for GenAI: control AI models' behavior using human specified policies.
Papers: [CCS'24] [ICLR'25]
Software: Moderator, Game Arena
Modular Privacy Flows: implement fine-grained data access using operators and manifests.
Papers: [IEEE S&P 2022] [Dissertation summary]
[IMWUT'18]
Software: Who knows what about us and why?, Peekaboo
Sensor-based Systems: Radio frequency, Audio, and Actuation.
Papers: [CACM'21] [MobiCom'19] [MobiSys'18] [IMWUT'17]
[UIST'15]
[UIST'15]
Patents: [11 Granted US Patents]