collaborators

23 papers

cs.CV2026

Compositional Concepts Erasing: Disentangling Object-Style via Domain Manifold Unlearning

Yang Xiao, Kaiyuan Deng, Gen Li +4

Diffusion models pose significant risks regarding the generation of illicit content and copyright violations. This has catalyzed the development of machine unlearning to erase harm…

cs.LG2026

Your Unlearning Gives You Away: Identifying Erased Concepts in Diffusion Models

Kaiyuan Deng, Yuchen Li, Yang Xiao +3

Existing attacks on unlearned diffusion models assume that the erased concepts are known in advance and focus on recovering them. In practice, however, model providers may not disc…

cs.LG2026

No Concept Escapes the Audit: Auditing-Aware Unlearning for Verifiable Concept Erasure in Diffusion Models

Kaiyuan Deng, Yuchen Li, Gen Li +5

Text-to-image diffusion models can generate prohibited content, which motivates concept erasure through machine unlearning. Most erasure methods intervene at the text interface, th…

cs.AI2026

Measure Before You Manage: Evaluating Agent Working Memory in Coding Agents

Le Chen, Zishen Wan, Baixi Sun +6

Agent working memory is heterogeneous. Objects such as instructions, artifacts, tool outputs, and agent-generated state play different semantic roles and exhibit different size, re…

cs.AI2026

Wrong but Useful: Trajectory Value Beyond Answer Correctness in Multi-Agent Messages

Chih-Hsuan Yang, Anjir Ahmed Chowdhury, Cheng-Hau Yang +7

Multi-agent reasoning systems often use agreement, confidence, or automated scores to decide which messages should shape a final answer. Such filtering assumes that a message likel…

cs.CL2026

HPD-Parsing: Hierarchical Parallel Document Parsing

Shu Wei, Jingjing Wu, Lingshu Zhang +10

Efficient teamwork typically combines global coordination with parallel execution, a principle not yet fully reflected in unified Vision-Language Model (VLM)-based document parsers…

cs.CL2026

Toward Generalist Autonomous Research via Hypothesis-Tree Refinement

Jiajie Jin, Yuyang Hu, Kai Qiu +15

Scientific progress depends on a repeated loop of exploration, experimentation, and abstraction. Researchers test candidate directions, interpret the evidence, and carry the result…

cs.CL2026

PEML: Parameter-efficient Multi-Task Learning with Optimized Continuous Prompts

Anjir Ahmed Chowdhury, Syed Zawad, Xiaolong Ma +2

Parameter-Efficient Fine-Tuning (PEFT) is widely used for adapting Large Language Models (LLMs) for various tasks. Recently, there has been an increasing demand for fine-tuning a s…

cs.LG2026

Compressed Video Aggregator: Content-driven Module for Efficient Micro-Video Recommendation

Yang Xiao, Huiyuan Chen, Kaiyuan Deng +6

We propose \textbf{Compressed Video Aggregator} (CVA), a lightweight micro-video recommendation module that decouples video information from preference learning. CVA first summariz…

cs.CV2026

Roots Beneath the Cut: Uncovering the Risk of Concept Revival in Pruning-Based Unlearning for Diffusion Models

Ci Zhang, Zhaojun Ding, Chence Yang +7

Pruning-based unlearning has recently emerged as a fast, training-free, and data-independent approach to remove undesired concepts from diffusion models. It promises high efficienc…

cs.CL2026

Your Language Model Secretly Contains Personality Subnetworks

Ruimeng Ye, Zihan Wang, Zinan Ling +4

Humans shift between different personas depending on social context. Large Language Models (LLMs) demonstrate a similar flexibility in adopting different personas and behaviors. Ex…

cs.CV2026

Forget-It-All: Multi-Concept Machine Unlearning via Concept-Aware Neuron Masking

Kaiyuan Deng, Bo Hui, Gen Li +4

The widespread adoption of text-to-image (T2I) diffusion models has raised concerns about their potential to generate copyrighted, inappropriate, or sensitive imagery. As a practic…

cs.LG2026

Forget Many, Forget Right: Scalable and Precise Concept Unlearning in Diffusion Models

Kaiyuan Deng, Gen Li, Yang Xiao +2

Text-to-image diffusion models have achieved remarkable progress, yet their use raises copyright and misuse concerns, prompting research into machine unlearning. However, extending…

cs.LG2026

From Bits to Chips: An LLM-based Hardware-Aware Quantization Agent for Streamlined Deployment of LLMs

Kaiyuan Deng, Hangyu Zheng, Minghai Qing +11

Deploying models, especially large language models (LLMs), is becoming increasingly attractive to a broader user base, including those without specialized expertise. However, due t…

cs.CV2025

LightCache: Memory-Efficient, Training-Free Acceleration for Video Generation

Yang Xiao, Gen Li, Kaiyuan Deng +5

Training-free acceleration has emerged as an advanced research area in video generation based on diffusion models. The redundancy of latents in diffusion model inference provides a…

cs.IR2025

Your RAG is Unfair: Exposing Fairness Vulnerabilities in Retrieval-Augmented Generation via Backdoor Attacks

Gaurav Bagwe, Saket S. Chaturvedi, Xiaolong Ma +3

Retrieval-augmented generation (RAG) enhances factual grounding by integrating retrieval mechanisms with generative models but introduces new attack surfaces, particularly through…

cs.LG2025

Efficient Knowledge Graph Unlearning with Zeroth-order Information

Yang Xiao, Ruimeng Ye, Bohan Liu +2

Due to regulations like the Right to be Forgotten, there is growing demand for removing training data and its influence from models. Since full retraining is costly, various machin…

cs.LG2025

The Right to be Forgotten in Pruning: Unveil Machine Unlearning on Sparse Models

Yang Xiao, Gen Li, Jie Ji +3

Machine unlearning aims to efficiently eliminate the memory about deleted data from trained models and address the right to be forgotten. Despite the success of existing unlearning…

cs.LG2025

What Lurks Within? Concept Auditing for Shared Diffusion Models at Scale

Xiaoyong Yuan, Xiaolong Ma, Linke Guo +1

Diffusion models (DMs) have revolutionized text-to-image generation, enabling the creation of highly realistic and customized images from text prompts. With the rise of parameter-e…

cs.CV2025

Sculpting Memory: Multi-Concept Forgetting in Diffusion Models via Dynamic Mask and Concept-Aware Optimization

Gen Li, Yang Xiao, Jie Ji +4

Text-to-image (T2I) diffusion models have achieved remarkable success in generating high-quality images from textual prompts. However, their ability to store vast amounts of knowle…

q-bio.NC2025

Optimal Transport for Brain-Image Alignment: Unveiling Redundancy and Synergy in Neural Information Processing

Yang Xiao, Wang Lu, Jie Ji +4

The design of artificial neural networks (ANNs) is inspired by the structure of the human brain, and in turn, ANNs offer a potential means to interpret and understand brain signals…

cs.LG2025

Harmony in Divergence: Towards Fast, Accurate, and Memory-efficient Zeroth-order LLM Fine-tuning

Qitao Tan, Jun Liu, Zheng Zhan +6

Large language models (LLMs) excel across various tasks, but standard first-order (FO) fine-tuning demands considerable memory, significantly limiting real-world deployment. Recent…

cs.LG2025

DBA-DFL: Towards Distributed Backdoor Attacks with Network Detection in Decentralized Federated Learning

Bohan Liu, Yang Xiao, Ruimeng Ye +3

Distributed backdoor attacks (DBA) have shown a higher attack success rate than centralized attacks in centralized federated learning (FL). However, it has not been investigated in…