メタデータ名 G20513101912
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.8500000 36.4916667, 136.8562500 36.4916667, 136.8562500 36.4958334, 136.8500000 36.4958334, 136.8500000 36.4916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral