メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.402747293456 43.0649540578214, 141.402348666971 43.065203590435, 141.402882201359 43.0654946270504, 141.402895912903 43.0655019726045, 141.403528778275 43.0658314371198, 141.402818240397 43.0665179450809, 141.402221454222 43.0662013325692, 141.402210691555 43.0661956975908, 141.401669518853 43.0659228172599, 141.40186692584 43.0657000679265, 141.401112924467 43.0650296514526, 141.400364516895 43.0654493831759, 141.399997550186 43.0651417797914, 141.401365099513 43.0643198529976, 141.401715756127 43.064105835883, 141.401779791445 43.0640667842994, 141.401950013785 43.0642153866665, 141.402747293456 43.0649540578214)) ^^http://www.opengis.net/ont/geosparql#wktLiteral