メタデータ名 G20473034531
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.9000000 35.5833333, 137.9062500 35.5833333, 137.9062500 35.5875000, 137.9000000 35.5875000, 137.9000000 35.5833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral