Reliable End-to-End Material Information Extraction from the Literature with Source-Tracked Multi-Stage Large Language Models

• URL: http://arxiv.org/abs/2510.05142v1
• Date: Wed, 01 Oct 2025 22:03:28 GMT
• Title: Reliable End-to-End Material Information Extraction from the Literature with Source-Tracked Multi-Stage Large Language Models
• Authors: Xin Wang, Anshu Raj, Matthew Luebbe, Haiming Wen, Shuozhi Xu, Kun Lu,
• Abstract summary: We propose a multi-stage information extraction pipeline powered by large language models.<n>It captures 47 features spanning composition, structure processing, and properties exclusively from experimentally reported materials.<n>The pipeline integrates iterative extraction with source tracking to enhance both accuracy and reliability.
• Score: 3.3552980412055216
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Data-driven materials discovery requires large-scale experimental datasets, yet most of the information remains trapped in unstructured literature. Existing extraction efforts often focus on a limited set of features and have not addressed the integrated composition-processing-microstructure-property relationships essential for understanding materials behavior, thereby posing challenges for building comprehensive databases. To address this gap, we propose a multi-stage information extraction pipeline powered by large language models, which captures 47 features spanning composition, processing, microstructure, and properties exclusively from experimentally reported materials. The pipeline integrates iterative extraction with source tracking to enhance both accuracy and reliability. Evaluations at the feature level (independent attributes) and tuple level (interdependent features) yielded F1 scores around 0.96. Compared with single-pass extraction without source tracking, our approach improved F1 scores of microstructure category by 10.0% (feature level) and 13.7% (tuple level), and reduced missed materials from 49 to 13 out of 396 materials in 100 articles on precipitate-containing multi-principal element alloys (miss rate reduced from 12.4% to 3.3%). The pipeline enables scalable and efficient literature mining, producing databases with high precision, minimal omissions, and zero false positives. These datasets provide trustworthy inputs for machine learning and materials informatics, while the modular design generalizes to diverse material classes, enabling comprehensive materials information extraction.

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