Search Results for author: Jiachun Li

Found 5 papers, 0 papers with code

On the Optimal Regret of Locally Private Linear Contextual Bandit

no code implementations15 Apr 2024 Jiachun Li, David Simchi-Levi, Yining Wang

Contextual bandit with linear reward functions is among one of the most extensively studied models in bandit and online learning research.

Focus on Your Question! Interpreting and Mitigating Toxic CoT Problems in Commonsense Reasoning

no code implementations28 Feb 2024 Jiachun Li, Pengfei Cao, Chenhao Wang, Zhuoran Jin, Yubo Chen, Daojian Zeng, Kang Liu, Jun Zhao

Large language models exhibit high-level commonsense reasoning abilities, especially with enhancement methods like Chain-of-Thought (CoT).

Position

Privacy Preserving Adaptive Experiment Design

no code implementations16 Jan 2024 Jiachun Li, Kaining Shi, David Simchi-Levi

In this paper, we investigate the tradeoff between loss of social welfare and statistical power in contextual bandit experiment.

Privacy Preserving

We Can Always Catch You: Detecting Adversarial Patched Objects WITH or WITHOUT Signature

no code implementations9 Jun 2021 Bin Liang, Jiachun Li, Jianjun Huang

Recently, the object detection based on deep learning has proven to be vulnerable to adversarial patch attacks.

object-detection Object Detection

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