メタデータ名 G20574041893
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.406124433692 44.166205955443, 142.404229184877 44.1661943316131, 142.404219748403 44.1649391433717, 142.406304233737 44.1652371049696, 142.406124433692 44.166205955443)) ^^http://www.opengis.net/ont/geosparql#wktLiteral