メタデータ名 C41361-19770504
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6875000 42.8375000, 141.6937500 42.8375000, 141.6937500 42.8416667, 141.6875000 42.8416667, 141.6875000 42.8375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral