メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.473308101919 36.377363557364, 140.473972750706 36.3784420800905, 140.473692594077 36.3785698667702, 140.472965241359 36.3789017833121, 140.471361032855 36.3796009382997, 140.471123046263 36.3792272064603, 140.470600523841 36.3784509063971, 140.470645781634 36.3784323924091, 140.470001103752 36.3774053851913, 140.470514694618 36.3771963045351, 140.471220815086 36.3769040594336, 140.471851703259 36.376649248279, 140.47269779669 36.3763532493119, 140.47271081706 36.3763747949421, 140.473308101919 36.377363557364)) ^^http://www.opengis.net/ont/geosparql#wktLiteral