メタデータ名 C12346-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2500000 40.5458334, 141.2562500 40.5458334, 141.2562500 40.5500000, 141.2500000 40.5500000, 141.2500000 40.5458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral