メタデータ名 S473060090
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0937500 38.6166667, 141.1000000 38.6166667, 141.1000000 38.6208334, 141.0937500 38.6208334, 141.0937500 38.6166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral