メタデータ名 G20493263071
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.6500000 34.7500000, 137.6562500 34.7500000, 137.6562500 34.7541667, 137.6500000 34.7541667, 137.6500000 34.7500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral