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Author

Hailong Sun

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Preprint Jul 2026

Detecting Vulnerability-Inducing Commits via Multi-Stage Reasoning with LLM-Based Agents

VIC-RAGENT is proposed, an LLM-based multi-agent framework for effective and explainable vulnerability detection that employs a multi-stage reasoning process that progressively refines candidate vulnerabilities through preliminary inspection, reanalysis, and a final decision stage.

Liyou Chen, Hailong Sun, Xiang Gao et al. · 0 citations
Jul 2026

Type-aware LLM-based Test Generation for Python Programs

Test4Py is presented, a novel framework that enhances type correctness in automated test generation for Python by leveraging the program’s call graph to capture richer contextual information about parameters, and introducing a behavior-based type inference mechanism that accurately infers parameter types and constructs valid test inputs.

Runlin Liu, Zhe Zhang, Yunge Hu et al. · 0 citations