Publications

* indicates corresponding author.

Highlights

ARGUS teaser figure
Preprint 2026

ARGUS: Defending LLM Agents Against Context-Aware Prompt Injection

We propose a provenance-based defense that traces how untrusted context propagates into an agent's decisions and blocks any action not backed by trustworthy evidence.

Shihao Weng, Yang Feng*, Jinrui Zhang, Xiaofei Xie, Jiongchi Yu, Jia Liu.

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All publications

2026
Preprint

Beyond Accuracy: Policy Invariance as a Reliability Test for LLM Safety Judges

Shihao Weng, Yang Feng*, Xiaofei Xie.

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Preprint

ARGUS: Defending LLM Agents Against Context-Aware Prompt Injection

Shihao Weng, Yang Feng*, Jinrui Zhang, Xiaofei Xie, Jiongchi Yu, Jia Liu.

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ICSE'26 CCF-A

TACO: Trust Assessment of Large Language Models in Coding Assistance Tasks

Shihao Weng, Yang Feng*, Jincheng Li, Yining Yin, Zhenlun Zhang, Lyuxi Liu, Jia Liu.

⚙︎ tool
ICSE'26 CCF-A

VADA: A Multicultural Benchmark for Value-Aware Data Generation and Alignment Evaluation in LLMs

Zhenlun Zhang, Yang Feng*, Shihao Weng, Yining Yin, Jincheng Li, Jia Liu.

ICSE'26 CCF-A

AtPatch: Debugging Transformers via Hot-Fixing Over-Attention

Shihao Weng, Yang Feng*, Jincheng Li, Yining Yin, Xiaofei Xie, Jia Liu.

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2025
FCS'25 CCF-B

Data preparation and quality for code-centric generative software engineering tasks: a systematic literature review

Shihao Weng, Yang Feng*, Yining Yin, Zhenlun Zhang, Baowen Xu.

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Internetware'25 CCF-C

Lightweight Probabilistic Coverage Metrics for Efficient Testing of Deep Neural Networks

Yining Yin, Yang Feng*, Shihao Weng, Xinyu Gao, Jia Liu, Zhihong Zhao.

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2024
EMSE'24 CCF-B

Seeing the invisible: test prioritization for object detection system

Shihao Weng, Yang Feng*, Yining Yin, Yuxuan Dai, Jia Liu, Zhihong Zhao.

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ISSTA'24 CCF-A

Datactive: Data Fault Localization for Object Detection Systems

Yining Yin, Yang Feng*, Shihao Weng, Yuan Yao, Jia Liu, Zhihong Zhao.

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2023
FSE'23 CCF-A

Dynamic Data Fault Localization for Deep Neural Networks

Yining Yin, Yang Feng*, Shihao Weng, Zixi Liu, Yuan Yao, Yichi Zhang, Zhihong Zhao, Zhenyu Chen.

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Internetware'23 CCF-C 🏆 Distinguished Paper

Prioritizing Testing Instances to Enhance the Robustness of Object Detection Systems

Shihao Weng, Yang Feng*, Yining Yin, Jia Liu.

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