メタデータ名 C08483-19750901
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7437500 42.9125000, 141.7500000 42.9125000, 141.7500000 42.9166667, 141.7437500 42.9166667, 141.7437500 42.9125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral