メタデータ名 G20574006971
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.0437500 35.9125000, 137.0500000 35.9125000, 137.0500000 35.9166667, 137.0437500 35.9166667, 137.0437500 35.9125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral