メタデータ名 G20513147244
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1812500 39.4875000, 141.1875000 39.4875000, 141.1875000 39.4916667, 141.1812500 39.4916667, 141.1812500 39.4875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral