SciMDR: Advancing Scientific Multimodal Document Reasoning

Fuente: arXiv
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Autores principales: Chen, Ziyu, Zhao, Yilun, Wang, Chengye, Han, Rilyn, Patwardhan, Manasi, Cohan, Arman
Formato: Preprint
Publicado: 2026
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author Chen, Ziyu
Zhao, Yilun
Wang, Chengye
Han, Rilyn
Patwardhan, Manasi
Cohan, Arman
author_facet Chen, Ziyu
Zhao, Yilun
Wang, Chengye
Han, Rilyn
Patwardhan, Manasi
Cohan, Arman
contents Constructing scientific multimodal document reasoning datasets for foundation model training involves an inherent trade-off among scale, faithfulness, and realism. To address this challenge, we introduce the synthesize-and-reground framework, a two-stage pipeline comprising: (1) Claim-Centric QA Synthesis, which generates faithful, isolated QA pairs and reasoning on focused segments, and (2) Document-Scale Regrounding, which programmatically re-embeds these pairs into full-document tasks to ensure realistic complexity. Using this framework, we construct SciMDR, a large-scale training dataset for cross-modal comprehension, comprising 300K QA pairs with explicit reasoning chains across 20K scientific papers. We further construct SciMDR-Eval, an expert-annotated benchmark to evaluate multimodal comprehension within full-length scientific workflows. Experiments demonstrate that models fine-tuned on SciMDR achieve significant improvements across multiple scientific QA benchmarks, particularly in those tasks requiring complex document-level reasoning.
format Preprint
id arxiv_https___arxiv_org_abs_2603_12249
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle SciMDR: Advancing Scientific Multimodal Document Reasoning
Chen, Ziyu
Zhao, Yilun
Wang, Chengye
Han, Rilyn
Patwardhan, Manasi
Cohan, Arman
Computation and Language
Artificial Intelligence
Computer Vision and Pattern Recognition
Constructing scientific multimodal document reasoning datasets for foundation model training involves an inherent trade-off among scale, faithfulness, and realism. To address this challenge, we introduce the synthesize-and-reground framework, a two-stage pipeline comprising: (1) Claim-Centric QA Synthesis, which generates faithful, isolated QA pairs and reasoning on focused segments, and (2) Document-Scale Regrounding, which programmatically re-embeds these pairs into full-document tasks to ensure realistic complexity. Using this framework, we construct SciMDR, a large-scale training dataset for cross-modal comprehension, comprising 300K QA pairs with explicit reasoning chains across 20K scientific papers. We further construct SciMDR-Eval, an expert-annotated benchmark to evaluate multimodal comprehension within full-length scientific workflows. Experiments demonstrate that models fine-tuned on SciMDR achieve significant improvements across multiple scientific QA benchmarks, particularly in those tasks requiring complex document-level reasoning.
title SciMDR: Advancing Scientific Multimodal Document Reasoning
topic Computation and Language
Artificial Intelligence
Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2603.12249