メタデータ名 G20513403363
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.5125000 44.2500000, 142.5187500 44.2500000, 142.5187500 44.2541667, 142.5125000 44.2541667, 142.5125000 44.2500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral