メタデータ名 G20503212694
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.2625000 37.4958334, 137.2687500 37.4958334, 137.2687500 37.5000000, 137.2625000 37.5000000, 137.2625000 37.4958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral