メタデータ名 G20392735171
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7937500 39.0458334, 141.8000000 39.0458334, 141.8000000 39.0500000, 141.7937500 39.0500000, 141.7937500 39.0458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral