メタデータ名 G20503671753
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.2250000 37.3916667, 137.2312500 37.3916667, 137.2312500 37.3958334, 137.2250000 37.3958334, 137.2250000 37.3916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral