メタデータ名 G20574047913
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.7625000 37.1916667, 139.7687500 37.1916667, 139.7687500 37.1958334, 139.7625000 37.1958334, 139.7625000 37.1916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral