メタデータ名 G20513564162
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2000000 38.4458334, 141.2062500 38.4458334, 141.2062500 38.4500000, 141.2000000 38.4500000, 141.2000000 38.4458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral