メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.343496126827 43.1609959747139, 141.343984050023 43.1612060182905, 141.344335118755 43.1614130123975, 141.344691106084 43.1616514800757, 141.345204016638 43.1620572220369, 141.344918060303 43.1622620853684, 141.34453021425 43.1625223377738, 141.343188560579 43.163457178968, 141.342800751542 43.1637398620142, 141.34254444415 43.1634002711319, 141.34240890825 43.1632164921122, 141.342239914444 43.163034418524, 141.341986143168 43.162777128292, 141.341544656544 43.162402175036, 141.341192880553 43.1621718883363, 141.340681635149 43.1619085514424, 141.340234267065 43.1616851003177, 141.340341928723 43.1616162570329, 141.340575143934 43.1614380626441, 141.341494912169 43.1607975456749, 141.341506654995 43.1607895502243, 141.341847308238 43.1605567841028, 141.343111434609 43.1608868893885, 141.343496126827 43.1609959747139)) ^^http://www.opengis.net/ont/geosparql#wktLiteral