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We will present how a multisource database of geolocated objects has been build and how objects categorization is normalized with the Landmarks Objects Ontology (OOR) build for the Choucas project. We will look into how the graph structure can be used in this context and demo how results of database queries can be displayed on a map, with a QGIS script.
(It will be a more in depth presentation, with a demo, of the brief presentation given at the International Cartographic Conference : https://www.e-tissage.net/icc2021/)
