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Author

Nikolaos Tsantalis

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Book Open access Oct 2026

Understanding the Code and Architectural Smells Generated by LLMs and Autonomous Agents

The promise of Large Language Models (LLMs) in automated software engineering is often measured by functional correctness, overlooking the critical issue of long-term maintainability. This paper presents a systematic audit of technical debt in AI-generated software, revealing that AI does not eliminate flaws but rather...

Yue-Cai Zhu, Nikolaos Tsantalis, Peter C. Rigby · 0 citations
Open access Aug 2026

A mixed-method in-depth study of test-specific refactorings

This paper presents a comprehensive catalogue of 57 test-specific refactoring types, out of which only 33 were previously documented in the literature, using a mixed-method approach grounded on three sources of data.

V. Veloso, Nikolaos Tsantalis, Tse-Hsun Chen · 0 citations
Jul 2026

SemaDiff: Identifying Semantic-Changing Commits with Generated Code and Tests

SemaDiff, a novel approach for identifying semantic-preserving commits through behaviour-based analysis, is proposed, and results show that SemaDiff distinguishes accurately semantic-preserving from -- changing commits in about 76% of the cases, with a 100% precision in semantic-changing commit detection.

Maha Ayub, Michael Konstantinou, Ahmed Khanfir et al. · 0 citations

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