メタデータ名 G20553841392
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4437500 37.6833333, 139.4500000 37.6833333, 139.4500000 37.6875000, 139.4437500 37.6875000, 139.4437500 37.6833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral