Author

Sumit Barua

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#artificial intelligence Preprint Sep 2026

CiteGuard-RAG: A Validation-Centered AI System for Evidence-Grounded Question Answering

External evaluation shows that while citation validity remains strong, evidence utilization, span alignment, and refusal calibration become harder under domain shift, indicating that trustworthy RAG systems require explicit validation between retrieval and final answer delivery.

Sumit Barua, Guang-Zhong Hong, H. Dursunoglu et al. · 0 citations

#artificial intelligence Review Sep 2026

Commonsense Reasoning in Computer Vision: Foundations, Recent Advancements, and Future Directions

Commonsense reasoning in computer vision encompasses integrating visual data and contextual knowledge, crucial for enhancing AI's understanding of everyday scenarios. This understanding not only improves machine learning models but also enhances their ability to interact meaningfully with humans and the environment. Un...

B. Mahmud, Sumit Barua, Guan Y. Hong et al. · 0 citations