メタデータ名 G20584170524
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3187500 38.4916667, 141.3250000 38.4916667, 141.3250000 38.4958334, 141.3187500 38.4958334, 141.3187500 38.4916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral