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September 5, 2026International Journal of Geographical Information SystemsOpen Access

Towards intelligent geospatial data discovery: a knowledge graph-driven multi-agent framework powered by large language models

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Authors

RLRuixiang LiuZLZhenlong LiAKAli Khosravi Kazazi

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Overview

Computational evaluation demonstrates improved retrieval recall and ranking quality in geospatial platforms, suggesting a path toward autonomous spatial data infrastructures.

Key Points

  • To establish an intelligent geospatial data discovery framework that overcomes semantic inconsistency and poor retrieval performance using knowledge graphs and large language models.
  • Constructed a unified geospatial metadata ontology to act as a semantic mediation layer across heterogeneous data platforms.
  • Implemented a multi-agent collaborative architecture powered by large language models to execute intent parsing, knowledge graph retrieval, and answer synthesis.
  • Substantially improved search recall and ranking quality relative to conventional keyword-based search systems.
  • Achieved high intent-matching accuracy while maintaining a transparent and interpretable data retrieval process.

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd3726b95aff0620eab5dhttps://doi.org/10.1080/13658816.2026.2724505
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