メタデータ名 C28461-20051001
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.8750000 37.4625000, 138.8812500 37.4625000, 138.8812500 37.4666667, 138.8750000 37.4666667, 138.8750000 37.4625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral