メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.497172114211 33.1739010575381, 130.497160426237 33.1738941247851, 130.496787208728 33.1736101232027, 130.496474090641 33.173298274488, 130.495760787053 33.1729455651045, 130.495554264778 33.1728625350324, 130.4956730374 33.1726520599848, 130.496270903265 33.1728944926898, 130.496743055675 33.1731182216875, 130.497316024409 33.1734532410922, 130.497172114211 33.1739010575381)) ^^http://www.opengis.net/ont/geosparql#wktLiteral