メタデータ名 G20574170852
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6437500 35.1791667, 136.6500000 35.1791667, 136.6500000 35.1833333, 136.6437500 35.1833333, 136.6437500 35.1791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral