メタデータ名 G20523771572
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.3562500 38.0500000, 139.3625000 38.0500000, 139.3625000 38.0541667, 139.3562500 38.0541667, 139.3562500 38.0500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral