メタデータ名 S18205021003
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9312500 39.3791667, 141.9375000 39.3791667, 141.9375000 39.3833333, 141.9312500 39.3833333, 141.9312500 39.3791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral