メタデータ名 S23108082001
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8250000 42.8833333, 141.8312500 42.8833333, 141.8312500 42.8875000, 141.8250000 42.8875000, 141.8250000 42.8833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral