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Scaling sensor metadata extraction for exposure health using LLMs.

Fatemeh Shah-Mohammadi1, Sunho Im2, Julio C Facelli1,3

  • 1Department of Biomedical Informatics, The University of Utah, Salt Lake City, UT 84108, United State.

Exposome
|March 27, 2026
PubMed
Summary
This summary is machine-generated.

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We developed a large language model (LLM) pipeline to automate sensor metadata extraction from research papers. This approach significantly improves efficiency and accuracy for exposure health research.

Area of Science:

  • Environmental health
  • Data science
  • Bioinformatics

Background:

  • Sensor technologies are rapidly evolving, creating diverse data formats.
  • Inconsistent sensor metadata reporting hinders exposome and exposure health research.
  • Manual extraction of sensor metadata from literature is unscalable.

Purpose of the Study:

  • To develop and evaluate a large language model (LLM)-based pipeline for automating sensor metadata extraction.
  • To address the bottleneck of manual metadata extraction from unstructured sources.
  • To harmonize sensor metadata into structured formats for exposure health research.

Main Methods:

  • Utilized GPT-4 in a zero-shot setting to construct the LLM pipeline.
  • Developed a pipeline to parse full-text PDFs for sensor metadata extraction.
Keywords:
GPTexposure healthinformation extractionmetadatasensor

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Last Updated: Jun 16, 2026

Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness
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Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness

Published on: December 6, 2024

1.3K
  • Implemented harmonization of extracted metadata into structured formats.

    • Main Results:

    • The automated pipeline demonstrated substantial efficiency gains over manual review.
    • Achieved high performance metrics: 88.0% accuracy, 88.0% precision, 93.0% recall, and 90.0% F1-score.
    • Successfully extracted and harmonized sensor metadata from exposure health literature.

    Conclusions:

    • LLM-driven pipelines are feasible and scalable for automating sensor metadata extraction in exposure health.
    • This automation reduces manual burden and enhances metadata completeness and consistency.
    • Findings support integrating LLM pipelines into exposure health informatics platforms.