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arXiv · 2503.23668

MolGround: A Benchmark for Molecular Grounding

Jiaxin Wu·Ting Zhang·Rubing Chen·Wengyu Zhang·Chen Jason Zhang·Xiao-Yong Wei·Li Qing
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Abstract

Current molecular understanding approaches predominantly focus on the descriptive aspect of human perception, providing broad, topic-level insights. However, the referential aspect -- linking molecular concepts to specific structural components -- remains largely unexplored. To address this gap, we propose a molecular grounding benchmark designed to evaluate a model's referential abilities. We align molecular grounding with established conventions in NLP, cheminformatics, and molecular science, showcasing the potential of NLP techniques to advance molecular understanding within the AI for Science movement. Furthermore, we constructed the largest molecular understanding benchmark to date, comprising 117k QA pairs, and developed a multi-agent grounding prototype as proof of concept. This system outperforms existing models, including GPT-4o, and its grounding outputs have been integrated to enhance traditional tasks such as molecular captioning and ATC (Anatomical, Therapeutic, Chemical) classification.

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Jiaxin Wu, Ting Zhang, Rubing Chen, Wengyu Zhang, Chen Jason Zhang, Xiao-Yong Wei, Li Qing. 2025-03-31. MolGround: A Benchmark for Molecular Grounding. https://arxiv.org/abs/2503.23668

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