メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.202994804734 34.8223753937493, 137.202707967777 34.8226121244351, 137.202147955473 34.8230968476516, 137.201697194363 34.8234463114952, 137.201437502805 34.8231759438545, 137.201300819038 34.8230294933556, 137.20091811501 34.8226239388119, 137.20060373747 34.8222409003985, 137.200098001709 34.8216100088965, 137.202051374207 34.8204374885288, 137.202994804734 34.8223753937493)) ^^http://www.opengis.net/ont/geosparql#wktLiteral