メタデータ名 G20473120922
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4375000 36.3916667, 140.4437500 36.3916667, 140.4437500 36.3958334, 140.4375000 36.3958334, 140.4375000 36.3916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral