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Georelational data model
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<p>A georelational data model is a <a href="/facts/Geography/TRd1Toyo">geographic</a> <a href="/facts/Data_model_(GIS)/gn2MaSKs">data model</a> that represents geographic features as an interrelated set of spatial and attribute data. The georelational model was the dominant form of <a href="/facts/File_format_(GIS)/nfG1rVIP">vector file format</a> during the 1980s and 1990s, including the <a href="/facts/Esri/FP8cJykD">Esri</a> coverage and <a href="/facts/Shapefile/mbCAeoFp">Shapefile</a>. </p>