メタデータ名 G20644465511
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.3812500 42.3291667, 142.3875000 42.3291667, 142.3875000 42.3333333, 142.3812500 42.3333333, 142.3812500 42.3291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral