メタデータ名 C18363-19940303
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.3812500 34.4500000, 136.3875000 34.4500000, 136.3875000 34.4541667, 136.3812500 34.4541667, 136.3812500 34.4500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral