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Hongzheng Chai

3 papers indexed here

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#artificial intelligence Preprint Aug 2026

Multilingual Safety Signals Are Multi-Layered: Filtering Safety-Degrading Data for Safer LLMs

Preserving safety alignment during large language models fine-tuning is critical, however, recent studies have demonstrated that even benign fine-tuning data may contain safety-degrading samples that silently undermine safety alignment. Existing approaches typically identify such samples using representations from a si...

Jia-Kun Li, Guo-Wei Song, Si-Jia Li et al. · 0 citations
Preprint Aug 2026

TDD-Agent: Test-Driven Reasoning for Code Generation

TDD-Agent is introduced, which operationalizes the test-driven development paradigm for code generation and improves not only code correctness but also the effectiveness of the generated tests, yielding higher pass rates, coverage, and mutation scores, suggesting that tests can serve as evolving reasoning artifacts rat...

Hong Yu, Ke-Fan Li, Jia-Kun Li et al. · 2 citations

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