メタデータ名 S21205507001
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8312500 43.3458334, 141.8375000 43.3458334, 141.8375000 43.3500000, 141.8312500 43.3500000, 141.8312500 43.3458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral