メタデータ名 C12467-19760201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.2562500 44.2208334, 143.2625000 44.2208334, 143.2625000 44.2250000, 143.2562500 44.2250000, 143.2562500 44.2208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral