collaborators

5 papers

cs.CR2026

Proof-of-Guardrail in AI Agents and What (Not) to Trust from It

Xisen Jin, Michael Duan, Qin Lin +4

As AI agents become widely deployed as online services, users often rely on an agent developer's claim about how safety is enforced, which introduces a threat where safety measures…

cs.LG2026

Reference-Based Distillation Detection in LLMs

Rajat Rawat, Sizhe Chen, Akshay Anand +3

Model distillation -- training on outputs from stronger third-party models -- is widely used to boost performance, but raises concerns about unfair advantages and policy violations…

cs.CR2026

A False Sense of Privacy: Evaluating Textual Data Sanitization Beyond Surface-level Privacy Leakage

Rui Xin, Niloofar Mireshghallah, Shuyue Stella Li +6

Sanitizing sensitive text data typically involves removing personally identifiable information (PII) or generating synthetic data under the assumption that these methods adequately…

cs.CL2026

Privasis: Synthesizing the Largest "Public" Private Dataset from Scratch

Hyunwoo Kim, Niloofar Mireshghallah, Michael Duan +11

Research involving privacy-sensitive data has always been constrained by data scarcity, standing in sharp contrast to other areas that have benefited from data scaling. This challe…

cs.CL2025

Frustratingly Simple Retrieval Improves Challenging, Reasoning-Intensive Benchmarks

Xinxi Lyu, Michael Duan, Rulin Shao +2

Retrieval-augmented Generation (RAG) has primarily been studied in limited settings, such as factoid question answering; more challenging, reasoning-intensive benchmarks have seen…