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We show how to develop geospatial web applications using the geospatial question answering engine GeoQA2, the geospatial knowledge graph YAGO2geo, the spatiotemporal RDF store Strabon and the Web-GIS tool Sextant. We demonstrate the combined functionality of these tools by developing PnyQA, a system for exploring data from the 2020 presidential election of the United States using natural language questions.

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Developing Geospatial Web Applications Using Question Answering Engines, Knowledge Graphs and Linked Data Tools

  • 会议论文

  • 发表日期：

    2025年

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  • Sergios-Anestis Kefalidis,
  • Konstantinos Plas,
  • George Stamoulis,
  • Dharmen Punjani,
  • Pierre Maret,
  • Manolis Koubarakis

摘要

We show how to develop geospatial web applications using the geospatial question answering engine GeoQA2, the geospatial knowledge graph YAGO2geo, the spatiotemporal RDF store Strabon and the Web-GIS tool Sextant. We demonstrate the combined functionality of these tools by developing PnyQA, a system for exploring data from the 2020 presidential election of the United States using natural language questions.