メタデータ名 G20574053043
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6875000 45.2291667, 141.6937500 45.2291667, 141.6937500 45.2333333, 141.6875000 45.2333333, 141.6875000 45.2291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral