メタデータ名 C23209-19741202
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.3187500 34.6458334, 137.3250000 34.6458334, 137.3250000 34.6500000, 137.3187500 34.6500000, 137.3187500 34.6458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral