メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.343866928434 37.2522454670094, 140.341992746359 37.2532684485719, 140.340938846301 37.2520666996315, 140.34023328495 37.2512130655437, 140.339641508144 37.2505152367711, 140.341058369105 37.2500885878641, 140.34154110009 37.2505396276204, 140.341400453535 37.2506045783905, 140.342584932818 37.2509217927387, 140.342712567508 37.2508798469665, 140.342848772508 37.2509658560539, 140.344463183384 37.2506927805162, 140.344773882745 37.251258738974, 140.344954612049 37.2516581257455, 140.343866928434 37.2522454670094)) ^^http://www.opengis.net/ont/geosparql#wktLiteral