メタデータ名 G20523967893
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.4312500 36.7291667, 137.4375000 36.7291667, 137.4375000 36.7333333, 137.4312500 36.7333333, 137.4312500 36.7291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral