メタデータ名 S242100700
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4937500 38.0666667, 138.5000000 38.0666667, 138.5000000 38.0708334, 138.4937500 38.0708334, 138.4937500 38.0666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral