メタデータ名 G20523546851
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0500000 37.8708334, 139.0562500 37.8708334, 139.0562500 37.8750000, 139.0500000 37.8750000, 139.0500000 37.8708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral