RAG-Reflect: Agentic Retrieval-Augmented Generation with Reflections for Comment-Driven Code Maintenance on Stack Overflow
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866918465896448000 |
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| author | Shanto, Mehedi Hasan Asaduzzaman, Muhammad Ngom, Alioune |
| author_facet | Shanto, Mehedi Hasan Asaduzzaman, Muhammad Ngom, Alioune |
| contents | User comments on online programming platforms such as Stack Overflow play a vital role in maintaining the correctness and relevance of shared code examples. However, the majority of comments express gratitude or clarification, while only a small fraction highlight actionable issues that drive meaningful edits. This paper demonstrates how agentic AI principles can revolutionize software maintenance tasks by presenting RAG-Reflect, a modular framework that achieves fine-tuned-level performance for valid comment-edit prediction without task-specific training. Valid Comment-Edit Prediction (VCP) is the task of determining whether a user comment directly triggered a subsequent code edit. The framework integrates large language models (LLMs) with retrieval-augmented reasoning and self-reflection mechanisms. RAG-Reflect operates through a three-stage runtime workflow built on a one-time pattern analysis phase. During initialization, an Interpretation module analyzes the knowledge base to generate validation rules. At inference time, the system (1) retrieves contextual examples, (2) reasons about comment-edit causality, and (3) reflects on decisions using the pre-established rules. We evaluate RAG-Reflect on the publicly available SOUP benchmark, achieving Precision = 0.81, Recall = 0.74, and F1 = 0.78, outperforming traditional baselines (e.g., Logistic Regression, XGBoost, different prompting techniques) and closely approaching the performance of fine-tuned models (F1 = 0.773) without retraining. Our ablation and stage-level analyses show that both retrieval and reflection modules substantially enhance performance. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_22217 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | RAG-Reflect: Agentic Retrieval-Augmented Generation with Reflections for Comment-Driven Code Maintenance on Stack Overflow Shanto, Mehedi Hasan Asaduzzaman, Muhammad Ngom, Alioune Software Engineering User comments on online programming platforms such as Stack Overflow play a vital role in maintaining the correctness and relevance of shared code examples. However, the majority of comments express gratitude or clarification, while only a small fraction highlight actionable issues that drive meaningful edits. This paper demonstrates how agentic AI principles can revolutionize software maintenance tasks by presenting RAG-Reflect, a modular framework that achieves fine-tuned-level performance for valid comment-edit prediction without task-specific training. Valid Comment-Edit Prediction (VCP) is the task of determining whether a user comment directly triggered a subsequent code edit. The framework integrates large language models (LLMs) with retrieval-augmented reasoning and self-reflection mechanisms. RAG-Reflect operates through a three-stage runtime workflow built on a one-time pattern analysis phase. During initialization, an Interpretation module analyzes the knowledge base to generate validation rules. At inference time, the system (1) retrieves contextual examples, (2) reasons about comment-edit causality, and (3) reflects on decisions using the pre-established rules. We evaluate RAG-Reflect on the publicly available SOUP benchmark, achieving Precision = 0.81, Recall = 0.74, and F1 = 0.78, outperforming traditional baselines (e.g., Logistic Regression, XGBoost, different prompting techniques) and closely approaching the performance of fine-tuned models (F1 = 0.773) without retraining. Our ablation and stage-level analyses show that both retrieval and reflection modules substantially enhance performance. |
| title | RAG-Reflect: Agentic Retrieval-Augmented Generation with Reflections for Comment-Driven Code Maintenance on Stack Overflow |
| topic | Software Engineering |
| url | https://arxiv.org/abs/2604.22217 |