メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.680305807038 34.8357524772995, 134.680058362999 34.8358057954787, 134.680026232331 34.8357367265595, 134.679269926131 34.8359353101191, 134.679115141332 34.8356122044535, 134.679224852398 34.8355902704485, 134.678986685391 34.8350444264056, 134.678956926322 34.8349800688273, 134.680081790702 34.8346484511919, 134.680681245245 34.8344512968526, 134.6811070051 34.8352980331824, 134.680501178948 34.8353775219051, 134.680599245961 34.8357039580145, 134.680305807038 34.8357524772995)) ^^http://www.opengis.net/ont/geosparql#wktLiteral