メタデータ名 G20574022961
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.0750000 42.8791667, 143.0812500 42.8791667, 143.0812500 42.8833333, 143.0750000 42.8833333, 143.0750000 42.8791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral