メタデータ名 S172018990
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.7250000 36.7583333, 136.7312500 36.7583333, 136.7312500 36.7625000, 136.7250000 36.7625000, 136.7250000 36.7583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral