メタデータ名 G20523650131
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.1687500 43.4875000, 142.1750000 43.4875000, 142.1750000 43.4916667, 142.1687500 43.4916667, 142.1687500 43.4875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral