メタデータ名 G20583937994
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2875000 39.6166667, 141.2937500 39.6166667, 141.2937500 39.6208334, 141.2875000 39.6208334, 141.2875000 39.6166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral