メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.624038544144 34.6067659374006, 135.624449650825 34.6067802981496, 135.624630184941 34.606820152527, 135.624633310121 34.6068450947581, 135.624629861879 34.6077836594856, 135.624668023711 34.6082200311255, 135.624529403729 34.6087379847549, 135.624433543422 34.6088391127337, 135.623550790799 34.6077497813741, 135.622779151775 34.6067610806198, 135.624038544144 34.6067659374006)) ^^http://www.opengis.net/ont/geosparql#wktLiteral