メタデータ名 G20523717914
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4500000 43.1958334, 141.4562500 43.1958334, 141.4562500 43.2000000, 141.4500000 43.2000000, 141.4500000 43.1958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral