メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.327417307897 43.2251817748898, 144.323007054017 43.2261460374119, 144.322811001108 43.2256620279078, 144.322091233317 43.2241623104503, 144.321910674844 43.2238513698968, 144.322063103087 43.2238146418523, 144.326407319641 43.2227679293125, 144.327417307897 43.2251817748898)) ^^http://www.opengis.net/ont/geosparql#wktLiteral