メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((127.6562500 26.0833333, 127.6625000 26.0833333, 127.6625000 26.0875000, 127.6562500 26.0875000, 127.6562500 26.0833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral