メタデータ名 G20513341633
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2250000 42.7458334, 141.2312500 42.7458334, 141.2312500 42.7500000, 141.2250000 42.7500000, 141.2250000 42.7458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral