メタデータ名 G20513501931
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.5375000 43.2666667, 143.5437500 43.2666667, 143.5437500 43.2708334, 143.5375000 43.2708334, 143.5375000 43.2666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral