メタデータ名 G20563963383
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4500000 38.3666667, 141.4562500 38.3666667, 141.4562500 38.3708334, 141.4500000 38.3708334, 141.4500000 38.3666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral