メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.694033595966 33.2147006914784, 130.694155185133 33.2156119869268, 130.693203626158 33.2157013841353, 130.693043305837 33.2147179062759, 130.694033595966 33.2147006914784)) ^^http://www.opengis.net/ont/geosparql#wktLiteral