メタデータ名 G20554020401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4437500 38.1833333, 139.4500000 38.1833333, 139.4500000 38.1875000, 139.4437500 38.1875000, 139.4437500 38.1833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral