メタデータ名 indicator-L4212
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.1000000 42.7083333, 143.1062500 42.7083333, 143.1062500 42.7125000, 143.1000000 42.7125000, 143.1000000 42.7083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral