メタデータ名 S21212050104
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9375000 39.6875000, 141.9437500 39.6875000, 141.9437500 39.6916667, 141.9375000 39.6916667, 141.9375000 39.6875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral