メタデータ名 G20543977491
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6687500 35.4833333, 139.6750000 35.4833333, 139.6750000 35.4875000, 139.6687500 35.4875000, 139.6687500 35.4833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral