メタデータ名 G20513645854
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3375000 38.4125000, 141.3437500 38.4125000, 141.3437500 38.4166667, 141.3375000 38.4166667, 141.3375000 38.4125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral