メタデータ名 G20544075634
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.0937500 42.4916667, 142.1000000 42.4916667, 142.1000000 42.4958334, 142.0937500 42.4958334, 142.0937500 42.4916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral