collaborators

6 papers

cs.CV2025

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.AI2025

A LLM-Powered Automatic Grading Framework with Human-Level Guidelines Optimization

Yucheng Chu, Hang Li, Kaiqi Yang +4

Open-ended short-answer questions (SAGs) have been widely recognized as a powerful tool for providing deeper insights into learners' responses in the context of learning analytics…

cs.CR2025

Data Poisoning for In-context Learning

Pengfei He, Han Xu, Yue Xing +3

In the domain of large language models (LLMs), in-context learning (ICL) has been recognized for its innovative ability to adapt to new tasks, relying on examples rather than retra…

cs.CR2025

Mitigating the Privacy Issues in Retrieval-Augmented Generation (RAG) via Pure Synthetic Data

Shenglai Zeng, Jiankun Zhang, Pengfei He +7

Retrieval-augmented generation (RAG) enhances the outputs of language models by integrating relevant information retrieved from external knowledge sources. However, when the retrie…

cs.CL2024

Towards Understanding Jailbreak Attacks in LLMs: A Representation Space Analysis

Yuping Lin, Pengfei He, Han Xu +4

Large language models (LLMs) are susceptible to a type of attack known as jailbreaking, which misleads LLMs to output harmful contents. Although there are diverse jailbreak attack…

cs.LG2024

Towards Knowledge Checking in Retrieval-augmented Generation: A Representation Perspective

Shenglai Zeng, Jiankun Zhang, Bingheng Li +8

Retrieval-Augmented Generation (RAG) systems have shown promise in enhancing the performance of Large Language Models (LLMs). However, these systems face challenges in effectively…