Yichang Xu

I am a CS PhD student at Georgia Institute of Technology from 2024, advised by Prof. Ling Liu. Previously, undergraduate at the School of Gifted Young at University of Science and Technology of China. My research area is AI agents and multimodal understanding.

Yichang Xu
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Publications

A Neurosymbolic Agent System for Compositional Visual Reasoning
Yichang Xu, Gaowen Liu, Ramana Rao Kompella, Sihao Hu, Fatih Ilhan, Selim Furkan Tekin, Zachary Yahn, Ling Liu
arXiv preprint
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Adversarial Attention Perturbations for Large Object Detection Transformers
Zachary Yahn, Selim Furkan Tekin, Fatih Ilhan, Sihao Hu, Tiansheng Huang, Yichang Xu, Margaret Loper, Ling Liu
ICCV 2025
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A Survey on Large Language Model-based Game Agents
Sihao Hu, Tiansheng Huang, Gaowen Liu, Ramana Rao Kompella, Fatih Ilhan, Selim Furkan Tekin, Yichang Xu, Zachary Yahn, Ling Liu
arXiv preprint
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H3Fusion: Helpful, Harmless, Honest Fusion of Aligned LLMs
Selim Furkan Tekin, Fatih Ilhan, Sihao Hu, Tiansheng Huang, Yichang Xu, Zachary Yahn, Ling Liu.
arXiv preprint
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Memory-efficient Inference via Attention-based Cache Packing for Large Vision-Language Models
Fatih Ilhan, Gaowen Liu, Ramana Rao Kompella, Selim Furkan Tekin, Tiansheng Huang, Sihao Hu, Zachary Yahn, Yichang Xu, Ling Liu
Safety tax: Safety alignment makes your large reasoning models less reasonable
Tiansheng Huang, Sihao Hu, Fatih Ilhan, Selim Furkan Tekin, Zachary Yahn, Yichang Xu, Ling Liu
arXiv preprint
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Poisoning Federated Recommender Systems with Fake Users
Ming Yin*, Yichang Xu*, Minghong Fang, Neil Zhenqiang Gong
WWW 2024
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Robust Federated Learning Mitigates Client-side Training Data Distribution Inference Attacks
Yichang Xu*, Ming Yin*, Minghong Fang, Neil Zhenqiang Gong
WWW 2024
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Conference Reviewer: KDD 2024