メタデータ名 G20513513613
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4562500 38.1916667, 139.4625000 38.1916667, 139.4625000 38.1958334, 139.4562500 38.1958334, 139.4562500 38.1916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral