メタデータ名 G20594021974
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.2437500 36.3958334, 139.2500000 36.3958334, 139.2500000 36.4000000, 139.2437500 36.4000000, 139.2437500 36.3958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral