Author

Lionel C. Briand

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#natural language process... Preprint Oct 2026

SpecGuardBench: Can Coding Agents Construct Reliable Validation Harnesses from Natural Language Specifications?

As coding agents become more capable, tests remain the primary evidence for judging whether their code is correct. Yet passing available tests does not establish that an implementation satisfies its natural language specification. Reliable validation requires checks that faithfully capture the specification and scenari...

Zhiqing Zhong, Ming-Yu Chen, Ao-Yang Fang et al. · 0 citations

#artificial intelligence Preprint Sep 2026

When Is Graph Structure Worth Its Cost? The Case for Structure Pricing in Retrieval-Augmented Generation

EffiRAG is presented, a graph-based RAG system designed to reduce this cost that uses the graph to locate relevant passages and generates answers from the original text, and preserves source information while keeping graph construction and query processing lightweight.

Yu-Zhong Zhang, Hao-Yang Ma, Chao Peng et al. · 0 citations

Jul 2026

EvoEye: Self-Evolving Runtime Monitoring for Autonomous Driving Systems

EvoEye is proposed, which identifies the current monitor's errors, generates informative executions accordingly, and updates the monitor through self-evolution to enable effective self-evolution.

Mingfei Cheng, Lionel C. Briand, Xiaofei Xie · arXiv.org · 0 citations