メタデータ名 G20523864491
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.8437500 35.2500000, 138.8500000 35.2500000, 138.8500000 35.2541667, 138.8437500 35.2541667, 138.8437500 35.2500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral