メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.27278286403 44.020210722432, 144.271233141131 44.0200568327168, 144.27134195763 44.0194627758751, 144.272902447268 44.0196242301039, 144.27278286403 44.020210722432)) ^^http://www.opengis.net/ont/geosparql#wktLiteral