メタデータ名 G20523950114
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8437500 42.4500000, 139.8500000 42.4500000, 139.8500000 42.4541667, 139.8437500 42.4541667, 139.8437500 42.4500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral