メタデータ名 G20553851843
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.7500000 38.7375000, 139.7562500 38.7375000, 139.7562500 38.7416667, 139.7500000 38.7416667, 139.7500000 38.7375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral