メタデータ名 C45406-19890228
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.0125000 43.5166667, 142.0187500 43.5166667, 142.0187500 43.5208334, 142.0125000 43.5208334, 142.0125000 43.5166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral