メタデータ名 S231121450
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4000000 42.9875000, 141.4062500 42.9875000, 141.4062500 42.9916667, 141.4000000 42.9916667, 141.4000000 42.9875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral