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Pengfei He
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Year
The good and the bad: Exploring privacy issues in retrieval-augmented generation (rag)
S Zeng, J Zhang, P He, Y Xing, Y Liu, H Xu, J Ren, S Wang, D Yin, ...
ACL 2024, 2024
642024
Diffusionshield: A watermark for copyright protection against generative diffusion models
Y Cui, J Ren, H Xu, P He, H Liu, L Sun, Y Xing, J Tang
arXiv preprint arXiv:2306.04642, 2023
642023
Copyright protection in generative ai: A technical perspective
J Ren, H Xu, P He, Y Cui, S Zeng, J Zhang, H Wen, J Ding, P Huang, ...
arXiv preprint arXiv:2402.02333, 2024
402024
Exploring memorization in fine-tuned language models
S Zeng, Y Li, J Ren, Y Liu, H Xu, P He, Y Xing, S Wang, J Tang, D Yin
ACL 2024, 2023
222023
Ft-shield: A watermark against unauthorized fine-tuning in text-to-image diffusion models
Y Cui, J Ren, Y Lin, H Xu, P He, Y Xing, L Lyu, W Fan, H Liu, J Tang
ACM SIGKDD Explorations Newsletter 26 (2), 76-88, 2025
162025
Superiority of multi-head attention in in-context linear regression
Y Cui, J Ren, P He, J Tang, Y Xing
AISTATS 2025, 2025
152025
Towards Understanding Jailbreak Attacks in LLMs: A Representation Space Analysis
P He, Y Lin, H Xu, Y Xing, M Yamada, H Liu, J Tang
EMNLP 2024, 2024
142024
Probabilistic categorical adversarial attack and adversarial training
H Xu, P He, J Ren, Y Wan, Z Liu, H Liu, J Tang
International Conference on Machine Learning(ICML 2023), 38428-38442, 2023
142023
On the generalization of training-based chatgpt detection methods
H Xu, J Ren, P He, S Zeng, Y Cui, A Liu, H Liu, J Tang
EMNLP 2024, 2023
132023
Mitigating the privacy issues in retrieval-augmented generation (rag) via pure synthetic data
S Zeng, J Zhang, P He, J Ren, T Zheng, H Lu, H Xu, H Liu, Y Xing, J Tang
arXiv preprint arXiv:2406.14773, 2024
112024
Large sample spectral analysis of graph-based multi-manifold clustering
P He, NG Trillos, C Li
Journal of Machine Learning Research (JMLR) 24 (143), 1-71, 2023
11*2023
Sharpness-Aware Data Poisoning Attack
P He, H Xu, J Ren, Y Cui, H Liu, CC Aggarwal, J Tang
ICLR 2024, Spotlight, 2023
102023
Data Poisoning for In-context Learning
P He, H Xu, Y Xing, H Liu, M Yamada, J Tang
NAACL 2025, 2025
92025
A theoretical understanding of chain-of-thought: Coherent reasoning and error-aware demonstration
Y Cui, P He, X Tang, Q He, C Luo, J Tang, Y Xing
AISTATS 2025, 2025
52025
PROPN: Personalized probabilistic strategic parameter optimization in recommendations
P He, H Liu, X Zhao, H Liu, J Tang
Proceedings of the 31st ACM International Conference on Information …, 2022
52022
Make LLMs better zero-shot reasoners: Structure-orientated autonomous reasoning
P He, Z Li, Y Xing, Y Li, J Tang, B Ding
arXiv preprint arXiv:2410.19000, 2024
32024
DiffusionShield: A watermark for data copyright protection against generative diffusion models
Y Cui, J Ren, H Xu, P He, H Liu, L Sun, Y Xing, J Tang
ACM SIGKDD Explorations Newsletter 26 (2), 60-75, 2025
22025
Red-Teaming LLM Multi-Agent Systems via Communication Attacks
P He, Y Lin, S Dong, H Xu, Y Xing, H Liu
arXiv preprint arXiv:2502.14847, 2025
12025
Stepwise perplexity-guided refinement for efficient chain-of-thought reasoning in large language models
Y Cui, P He, J Zeng, H Liu, X Tang, Z Dai, Y Han, C Luo, J Huang, Z Li, ...
arXiv preprint arXiv:2502.13260, 2025
12025
Towards the Effect of Examples on In-Context Learning: A Theoretical Case Study
P He, Y Cui, H Xu, H Liu, M Yamada, J Tang, Y Xing
M3L and SFLLM NeruIPS 2024, 2024
12024
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