メタデータ名 C15202-20041218
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.8687500 34.7500000, 137.8750000 34.7500000, 137.8750000 34.7541667, 137.8687500 34.7541667, 137.8687500 34.7500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral