メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((124.2000000 24.3875000, 124.2062500 24.3875000, 124.2062500 24.3916667, 124.2000000 24.3916667, 124.2000000 24.3875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral