メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.679115141332 34.8356122044535, 134.679269926131 34.8359353101191, 134.678274740405 34.8362600727094, 134.678090594544 34.8362177759671, 134.677849832428 34.836173737671, 134.677594817114 34.8361122740772, 134.677310360679 34.8360576554757, 134.677039678097 34.8359971492795, 134.676916361253 34.836029543644, 134.676796169859 34.8360531954849, 134.676687793798 34.8357700291063, 134.677727581579 34.8354282518568, 134.678658967095 34.8351369866919, 134.678986685391 34.8350444264056, 134.679224852398 34.8355902704485, 134.679115141332 34.8356122044535)) ^^http://www.opengis.net/ont/geosparql#wktLiteral