メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.27621021534 43.0872182310404, 141.276642263974 43.0876395158624, 141.277000672044 43.0880029967366, 141.277361295603 43.088372332267, 141.277723365247 43.0887596129184, 141.277740645636 43.0887773415905, 141.276870095694 43.089203315256, 141.276481858248 43.0888749560168, 141.276099228806 43.0885199888499, 141.2757093868 43.0881722732669, 141.275231782456 43.0877678273247, 141.274756774962 43.0873391390674, 141.275148962513 43.0871080007783, 141.275397310627 43.0869615794892, 141.27544603087 43.0869328740247, 141.275759949882 43.0867479109762, 141.27621021534 43.0872182310404)) ^^http://www.opengis.net/ont/geosparql#wktLiteral