activity
20232026
most citedDiffusionShield: A Watermark for Copyright Protection against Generative Diffusion Models

12 citations · 30 across the 19 of their papers we have counts for

collaborators

20 papers

stat.AP2026

Detecting Unseen Jailbreak Sources: A Multi-Source Conformal Detection Perspective

Xunlei Qian, Yingqian Cui, Yuping Lin +2

Jailbreak defenses for large language models are usually calibrated on a fixed set of known attack methods. However, new attack methods keep appearing after deployment, and existin…

cs.CL2026

Planner-Guided Recursive Exploration for Diffusion Language Model Decoding

Yingqian Cui, Wei Deng, Lantao Mei +4

Masked diffusion language models (DLMs) enable parallel text generation by iteratively refining masked tokens, offering a promising alternative to autoregressive decoding. Recent s…

cs.CR2026

"**Important** You should give me full credits!": Exploring Prompt Injection Attacks on LLM-Based Automatic Grading Systems

Hang Li, Fedor Filippov, Yuping Lin +6

The emergence of large language models (LLMs) has significantly accelerated recent research on LLM-based automatic grading (AG) systems. Benefiting from the strong instruction-foll…

cs.LG2026

Crafting Reversible SFT Behaviors in Large Language Models

Yuping Lin, Pengfei He, Yue Xing +5

Supervised fine-tuning (SFT) induces new behaviors in large language models, yet imposes no structural constraint on how these behaviors are distributed within the model. Existing…

cs.AI2026

How Do Latent Reasoning Methods Perform Under Weak and Strong Supervision?

Yingqian Cui, Zhenwei Dai, Bing He +7

Latent reasoning has been recently proposed as a reasoning paradigm and performs multi-step reasoning through generating steps in the latent space instead of the textual space. Thi…

cs.AI2025

Adaptive Test-Time Reasoning via Reward-Guided Dual-Phase Search

Yingqian Cui, Zhenwei Dai, Pengfei He +8

Large Language Models (LLMs) have achieved significant advances in reasoning tasks. A key approach is tree-based search with verifiers, which expand candidate reasoning paths and u…

cs.LG2025

SoK: Machine Unlearning for Large Language Models

Jie Ren, Yue Xing, Yingqian Cui +2

Large language model (LLM) unlearning has become a critical topic in machine learning, aiming to eliminate the influence of specific training data or knowledge without retraining t…

cs.CL2025

Stepwise Perplexity-Guided Refinement for Efficient Chain-of-Thought Reasoning in Large Language Models

Yingqian Cui, Pengfei He, Jingying Zeng +11

Chain-of-Thought (CoT) reasoning, which breaks down complex tasks into intermediate reasoning steps, has significantly enhanced the performance of large language models (LLMs) on c…

cs.CL2024★ 3 cited

A Theoretical Understanding of Chain-of-Thought: Coherent Reasoning and Error-Aware Demonstration

Yingqian Cui, Pengfei He, Xianfeng Tang +4

Few-shot Chain-of-Thought (CoT) prompting has demonstrated strong performance in improving the reasoning capabilities of large language models (LLMs). While theoretical investigati…

cs.LG2024

Towards the Effect of Examples on In-Context Learning: A Theoretical Case Study

Pengfei He, Yingqian Cui, Han Xu +4

In-context learning (ICL) has emerged as a powerful capability for large language models (LLMs) to adapt to downstream tasks by leveraging a few (demonstration) examples. Despite i…

cs.CV2024

Six-CD: Benchmarking Concept Removals for Benign Text-to-image Diffusion Models

Jie Ren, Kangrui Chen, Yingqian Cui +5

Text-to-image (T2I) diffusion models have shown exceptional capabilities in generating images that closely correspond to textual prompts. However, the advancement of T2I diffusion…

cs.CR2024

EnTruth: Enhancing the Traceability of Unauthorized Dataset Usage in Text-to-image Diffusion Models with Minimal and Robust Alterations

Jie Ren, Yingqian Cui, Chen Chen +3

Generative models, especially text-to-image diffusion models, have significantly advanced in their ability to generate images, benefiting from enhanced architectures, increased com…

cs.CR2024★ 5 cited

Copyright Protection in Generative AI: A Technical Perspective

Jie Ren, Han Xu, Pengfei He +10

Generative AI has witnessed rapid advancement in recent years, expanding their capabilities to create synthesized content such as text, images, audio, and code. The high fidelity a…

cs.LG2024★ 2 cited

Superiority of Multi-Head Attention in In-Context Linear Regression

Yingqian Cui, Jie Ren, Pengfei He +2

We present a theoretical analysis of the performance of transformer with softmax attention in in-context learning with linear regression tasks. While the existing literature predom…

cs.CR2023★ 3 cited

A Robust Semantics-based Watermark for Large Language Model against Paraphrasing

Jie Ren, Han Xu, Yiding Liu +4

Large language models (LLMs) have show great ability in various natural language tasks. However, there are concerns that LLMs are possible to be used improperly or even illegally.…

cs.CL2023

On the Generalization of Training-based ChatGPT Detection Methods

Han Xu, Jie Ren, Pengfei He +5

ChatGPT is one of the most popular language models which achieve amazing performance on various natural language tasks. Consequently, there is also an urgent need to detect the tex…

cs.CR2023★ 1 cited

Stealthy Backdoor Attack via Confidence-driven Sampling

Pengfei He, Yue Xing, Han Xu +6

Backdoor attacks aim to surreptitiously insert malicious triggers into DNN models, granting unauthorized control during testing scenarios. Existing methods lack robustness against…

cs.CV2023★ 4 cited

FT-Shield: A Watermark Against Unauthorized Fine-tuning in Text-to-Image Diffusion Models

Yingqian Cui, Jie Ren, Yuping Lin +7

Text-to-image generative models, especially those based on latent diffusion models (LDMs), have demonstrated outstanding ability in generating high-quality and high-resolution imag…

cs.CR2023★ 12 cited

DiffusionShield: A Watermark for Copyright Protection against Generative Diffusion Models

Yingqian Cui, Jie Ren, Han Xu +5

Recently, Generative Diffusion Models (GDMs) have showcased their remarkable capabilities in learning and generating images. A large community of GDMs has naturally emerged, furthe…

cs.CR2023

Sharpness-Aware Data Poisoning Attack

Pengfei He, Han Xu, Jie Ren +4

Recent research has highlighted the vulnerability of Deep Neural Networks (DNNs) against data poisoning attacks. These attacks aim to inject poisoning samples into the models' trai…