メタデータ名 G20513414473
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.6687500 43.4833333, 143.6750000 43.4833333, 143.6750000 43.4875000, 143.6687500 43.4875000, 143.6687500 43.4833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral