メタデータ名 S182012400
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.6187500 34.7708334, 137.6250000 34.7708334, 137.6250000 34.7750000, 137.6187500 34.7750000, 137.6187500 34.7708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral