メタデータ名 si245020003
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.3375000 38.0041667, 139.3437500 38.0041667, 139.3437500 38.0083333, 139.3375000 38.0083333, 139.3375000 38.0041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral