メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.36606312093 43.0871683255814, 141.366360791787 43.0872070544444, 141.366936693974 43.0872883684799, 141.366804907738 43.0877977937239, 141.366667403101 43.0883509891867, 141.366571225448 43.0887329025534, 141.365568915231 43.0886089792054, 141.36501833562 43.0885343245406, 141.365245251586 43.0875774352792, 141.365385369306 43.0870699749979, 141.36606312093 43.0871683255814)) ^^http://www.opengis.net/ont/geosparql#wktLiteral