メタデータ名 G20523721983
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.1812500 35.0125000, 137.1875000 35.0125000, 137.1875000 35.0166667, 137.1812500 35.0166667, 137.1812500 35.0125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral