メタデータ名 G20644354564
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0500000 34.7791667, 139.0562500 34.7791667, 139.0562500 34.7833333, 139.0500000 34.7833333, 139.0500000 34.7791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral