メタデータ名 C06323-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8125000 44.4208334, 141.8187500 44.4208334, 141.8187500 44.4250000, 141.8125000 44.4250000, 141.8125000 44.4208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral