メタデータ名 G20503265364
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4500000 38.5500000, 141.4562500 38.5500000, 141.4562500 38.5541667, 141.4500000 38.5541667, 141.4500000 38.5500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral