collaborators

9 papers

cs.AI2026

Open-MMUnlearning: Unifying Methods and Evaluation for MLLM Unlearning

Junkai Chen, Yuhao He, Qianshan Wei +19

As multimodal large language models (MLLMs) become more capable and widely deployed, concerns about privacy and safety have become increasingly pressing. Machine unlearning offers…

cs.LG2026

Multimodal Unlearning Across Vision, Language, Video, and Audio: Survey of Methods, Datasets, and Benchmarks

Nobin Sarwar, Shubhashis Roy Dipta, Zheyuan Liu +1

With the growing adoption of VLMs, DMs, LLMs, and AFMs, these multimodal foundation models can inadvertently encode sensitive, copyrighted, biased, or unsafe cross-modal associatio…

cs.LG2026

CODEBLOCK: Learning to Supervise Code at the Right Granularity

Zhijie Deng, Ling Li, Jinlong Pang +5

Supervised fine-tuning of code LLMs typically applies uniform cross-entropy loss to all response tokens, implicitly assuming that every token provides equally useful learning signa…

cs.CL2026

LifeSide: Benchmarking Agents as Lifelong Digital Companions

Yuqian Wu, Zhijie Deng, Wei Chen +8

Lifelong digital companions must integrate cross-session cues, continually update their understanding of users, and adapt to shifting privacy boundaries. Existing evaluations fail…

cs.LG2025

Label Smoothing Improves Gradient Ascent in LLM Unlearning

Zirui Pang, Hao Zheng, Zhijie Deng +3

LLM unlearning has emerged as a promising approach, aiming to enable models to forget hazardous/undesired knowledge at low cost while preserving as much model utility as possible.…

cs.AI2025

OFFSIDE: Benchmarking Unlearning Misinformation in Multimodal Large Language Models

Hao Zheng, Zirui Pang, Ling li +5

Advances in Multimodal Large Language Models (MLLMs) intensify concerns about data privacy, making Machine Unlearning (MU), the selective removal of learned information, a critical…

cs.CL2025

LM-mixup: Text Data Augmentation via Language Model based Mixup

Zhijie Deng, Zhouan Shen, Ling Li +5

Instruction tuning is crucial for aligning Large Language Models (LLMs), yet the quality of instruction-following data varies significantly. While high-quality data is paramount, i…

cs.CV2025

When VLMs Meet Image Classification: Test Sets Renovation via Missing Label Identification

Zirui Pang, Haosheng Tan, Yuhan Pu +4

Image classification benchmark datasets such as CIFAR, MNIST, and ImageNet serve as critical tools for model evaluation. However, despite the cleaning efforts, these datasets still…

cs.CL2025

GUARD: Generation-time LLM Unlearning via Adaptive Restriction and Detection

Zhijie Deng, Chris Yuhao Liu, Zirui Pang +5

Large Language Models (LLMs) have demonstrated strong capabilities in memorizing vast amounts of knowledge across diverse domains. However, the ability to selectively forget specif…