
Tianshi Li
@tianshi_li
Assistant Professor @Northeastern @KhouryCollege PEACH Lab, Prev @google @cmuhcii. Human-centered privacy, and its intersection with AI.
ID: 847766990
http://tianshili.me 26-09-2012 17:08:23
619 Tweet
2,2K Followers
585 Following



Check out the great recent PhD grad and uber HCI hacker Jackie Yang on the last cool piece of his LLM-powered multimodal dev tool! See at #chi2025 at 4:20 in G304! dl.acm.org/doi/10.1145/37… programs.sigchi.org/chi/2025/progr…

1/ 🧵 How does #DifferentialPrivacy affect #hallucinations in LLMs? We find that while DP-SGD *reduces* some hallucinations, it introduces new types of linguistic errors. Join Ivoline Ngong’s oral 2 PM Ballroom B TODAY @NAACL to learn how our method, DPRefine, addresses these



Great job, Anna and Eric! Anna presented our work demonstrating the inconsistency of LLM responses and how attackers might take advantage (doi.org/10.1145/370659…); and Eric investigating health-related tracking and deceptive ads (doi.org/10.1145/370659…) Matthew McCoy

📢 Hey folks, are you interested in Humans + AI privacy & security? Let’s talk! Join us for the HAIPS workshop (haips.com) at ACM CCS 2024 #CCS2025 .


📣Thrilled to announce I’ll join Carnegie Mellon University (CMU Engineering & Public Policy & Language Technologies Institute | @CarnegieMellon) as an Assistant Professor starting Fall 2026! Until then, I’ll be a Research Scientist at AI at Meta FAIR in SF, working with Kamalika Chaudhuri’s amazing team on privacy, security, and reasoning in LLMs!


Will AI agents be controlled by big tech companies? Or could they be controlled by users, safeguarding user autonomy and privacy? In a new position paper (accepted to ICML 2025), we outline the steps we need to take now to enable user-centric agents (w/Seth Lazar, Noam Kolt)🧶


📢 We now have two amazing keynote speakers lined up for #HAIPS2025 (the 1st Workshop on Human-Centered AI, Privacy, and Security)! Jason Hong and Patrick Gage Kelley Submit your: - Original papers - Encore papers - SoK papers - Vision papers by June 20th! 💻haips.com




