Search Results for author: Chulin Xie

Found 23 papers, 11 papers with code

Graph Chain-of-Thought: Augmenting Large Language Models by Reasoning on Graphs

1 code implementation10 Apr 2024 Bowen Jin, Chulin Xie, Jiawei Zhang, Kashob Kumar Roy, Yu Zhang, Suhang Wang, Yu Meng, Jiawei Han

Then, we propose a simple and effective framework called Graph Chain-of-thought (Graph-CoT) to augment LLMs with graphs by encouraging LLMs to reason on the graph iteratively.

FedSelect: Personalized Federated Learning with Customized Selection of Parameters for Fine-Tuning

no code implementations3 Apr 2024 Rishub Tamirisa, Chulin Xie, Wenxuan Bao, Andy Zhou, Ron Arel, Aviv Shamsian

Recent methods addressed the client data heterogeneity issue via personalized federated learning (PFL) - a class of FL algorithms aiming to personalize learned global knowledge to better suit the clients' local data distributions.

Personalized Federated Learning

Decoding Compressed Trust: Scrutinizing the Trustworthiness of Efficient LLMs Under Compression

no code implementations18 Mar 2024 Junyuan Hong, Jinhao Duan, Chenhui Zhang, Zhangheng Li, Chulin Xie, Kelsey Lieberman, James Diffenderfer, Brian Bartoldson, Ajay Jaiswal, Kaidi Xu, Bhavya Kailkhura, Dan Hendrycks, Dawn Song, Zhangyang Wang, Bo Li

While state-of-the-art (SoTA) compression methods boast impressive advancements in preserving benign task performance, the potential risks of compression in terms of safety and trustworthiness have been largely neglected.

Ethics Fairness +1

Differentially Private Synthetic Data via Foundation Model APIs 2: Text

1 code implementation4 Mar 2024 Chulin Xie, Zinan Lin, Arturs Backurs, Sivakanth Gopi, Da Yu, Huseyin A Inan, Harsha Nori, Haotian Jiang, Huishuai Zhang, Yin Tat Lee, Bo Li, Sergey Yekhanin

Lin et al. (2024) recently introduced the Private Evolution (PE) algorithm to generate DP synthetic images with only API access to diffusion models.

Privacy Preserving

Effective and Efficient Federated Tree Learning on Hybrid Data

no code implementations18 Oct 2023 Qinbin Li, Chulin Xie, Xiaojun Xu, Xiaoyuan Liu, Ce Zhang, Bo Li, Bingsheng He, Dawn Song

To address this, we propose HybridTree, a novel federated learning approach that enables federated tree learning on hybrid data.

Federated Learning

Ring-A-Bell! How Reliable are Concept Removal Methods for Diffusion Models?

1 code implementation16 Oct 2023 Yu-Lin Tsai, Chia-Yi Hsu, Chulin Xie, Chih-Hsun Lin, Jia-You Chen, Bo Li, Pin-Yu Chen, Chia-Mu Yu, Chun-Ying Huang

While efforts have been made to mitigate such problems, either by implementing a safety filter at the evaluation stage or by fine-tuning models to eliminate undesirable concepts or styles, the effectiveness of these safety measures in dealing with a wide range of prompts remains largely unexplored.

DecodingTrust: A Comprehensive Assessment of Trustworthiness in GPT Models

no code implementations NeurIPS 2023 Boxin Wang, Weixin Chen, Hengzhi Pei, Chulin Xie, Mintong Kang, Chenhui Zhang, Chejian Xu, Zidi Xiong, Ritik Dutta, Rylan Schaeffer, Sang T. Truong, Simran Arora, Mantas Mazeika, Dan Hendrycks, Zinan Lin, Yu Cheng, Sanmi Koyejo, Dawn Song, Bo Li

Yet, while the literature on the trustworthiness of GPT models remains limited, practitioners have proposed employing capable GPT models for sensitive applications such as healthcare and finance -- where mistakes can be costly.

Adversarial Robustness Ethics +1

PerAda: Parameter-Efficient Federated Learning Personalization with Generalization Guarantees

no code implementations13 Feb 2023 Chulin Xie, De-An Huang, Wenda Chu, Daguang Xu, Chaowei Xiao, Bo Li, Anima Anandkumar

In this paper, we propose PerAda, a parameter-efficient pFL framework that reduces communication and computational costs and exhibits superior generalization performance, especially under test-time distribution shifts.

Generalization Bounds Knowledge Distillation +2

Privacy of Autonomous Vehicles: Risks, Protection Methods, and Future Directions

no code implementations8 Sep 2022 Chulin Xie, Zhong Cao, Yunhui Long, Diange Yang, Ding Zhao, Bo Li

However, training AVs usually requires a large amount of training data collected from different driving environments (e. g., cities) as well as different types of personal information (e. g., working hours and routes).

Autonomous Vehicles

Unraveling the Connections between Privacy and Certified Robustness in Federated Learning Against Poisoning Attacks

no code implementations8 Sep 2022 Chulin Xie, Yunhui Long, Pin-Yu Chen, Qinbin Li, Arash Nourian, Sanmi Koyejo, Bo Li

We then provide two robustness certification criteria: certified prediction and certified attack inefficacy for DPFL on both user and instance levels.

Federated Learning

FOCUS: Fairness via Agent-Awareness for Federated Learning on Heterogeneous Data

no code implementations21 Jul 2022 Wenda Chu, Chulin Xie, Boxin Wang, Linyi Li, Lang Yin, Arash Nourian, Han Zhao, Bo Li

However, due to the heterogeneous nature of local data, it is challenging to optimize or even define fairness of the trained global model for the agents.

Fairness Federated Learning

UniFed: All-In-One Federated Learning Platform to Unify Open-Source Frameworks

1 code implementation21 Jul 2022 Xiaoyuan Liu, Tianneng Shi, Chulin Xie, Qinbin Li, Kangping Hu, Haoyu Kim, Xiaojun Xu, The-Anh Vu-Le, Zhen Huang, Arash Nourian, Bo Li, Dawn Song

The platform streamlines the end-to-end workflow for distributed experimentation and deployment, encompassing 11 popular open-source FL frameworks.

Federated Learning

Improving Privacy-Preserving Vertical Federated Learning by Efficient Communication with ADMM

1 code implementation20 Jul 2022 Chulin Xie, Pin-Yu Chen, Qinbin Li, Arash Nourian, Ce Zhang, Bo Li

To address these challenges, in this paper, we introduce a VFL framework with multiple heads (VIM), which takes the separate contribution of each client into account, and enables an efficient decomposition of the VFL optimization objective to sub-objectives that can be iteratively tackled by the server and the clients on their own.

Denoising Privacy Preserving +1

Certified Robustness for Free in Differentially Private Federated Learning

no code implementations29 Sep 2021 Chulin Xie, Yunhui Long, Pin-Yu Chen, Krishnaram Kenthapadi, Bo Li

Federated learning (FL) provides an efficient training paradigm to jointly train a global model leveraging data from distributed users.

Federated Learning

RVFR: Robust Vertical Federated Learning via Feature Subspace Recovery

no code implementations29 Sep 2021 Jing Liu, Chulin Xie, Krishnaram Kenthapadi, Oluwasanmi O Koyejo, Bo Li

Vertical Federated Learning (VFL) is a distributed learning paradigm that allows multiple agents to jointly train a global model when each agent holds a different subset of features for the same sample(s).

Vertical Federated Learning

Subnet Replacement: Deployment-stage backdoor attack against deep neural networks in gray-box setting

no code implementations15 Jul 2021 Xiangyu Qi, Jifeng Zhu, Chulin Xie, Yong Yang

We study the realistic potential of conducting backdoor attack against deep neural networks (DNNs) during deployment stage.

Backdoor Attack Philosophy

CRFL: Certifiably Robust Federated Learning against Backdoor Attacks

1 code implementation15 Jun 2021 Chulin Xie, Minghao Chen, Pin-Yu Chen, Bo Li

Our method exploits clipping and smoothing on model parameters to control the global model smoothness, which yields a sample-wise robustness certification on backdoors with limited magnitude.

Federated Learning

Style-based Point Generator with Adversarial Rendering for Point Cloud Completion

1 code implementation CVPR 2021 Chulin Xie, Chuxin Wang, Bo Zhang, Hao Yang, Dong Chen, Fang Wen

In this paper, we proposed a novel Style-based Point Generator with Adversarial Rendering (SpareNet) for point cloud completion.

 Ranked #1 on Point Cloud Completion on ShapeNet (Earth Mover's Distance metric)

Point Cloud Completion

Dataset Security for Machine Learning: Data Poisoning, Backdoor Attacks, and Defenses

no code implementations18 Dec 2020 Micah Goldblum, Dimitris Tsipras, Chulin Xie, Xinyun Chen, Avi Schwarzschild, Dawn Song, Aleksander Madry, Bo Li, Tom Goldstein

As machine learning systems grow in scale, so do their training data requirements, forcing practitioners to automate and outsource the curation of training data in order to achieve state-of-the-art performance.

BIG-bench Machine Learning Data Poisoning

DBA: Distributed Backdoor Attacks against Federated Learning

2 code implementations ICLR 2020 Chulin Xie, Keli Huang, Pin-Yu Chen, Bo Li

Compared to standard centralized backdoors, we show that DBA is substantially more persistent and stealthy against FL on diverse datasets such as finance and image data.

Backdoor Attack Feature Importance +1

Attack-Resistant Federated Learning with Residual-based Reweighting

2 code implementations24 Dec 2019 Shuhao Fu, Chulin Xie, Bo Li, Qifeng Chen

Federated learning has a variety of applications in multiple domains by utilizing private training data stored on different devices.

Federated Learning regression

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