メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.990062804598 34.9170467105587, 136.989882633712 34.917686923359, 136.989597790241 34.9187209588855, 136.989337654441 34.9196636845821, 136.989276390417 34.9199908750762, 136.989287694575 34.9202259104851, 136.988942225914 34.9203112605254, 136.987939629113 34.9205796826767, 136.987792912288 34.9187243227321, 136.987841202309 34.917394710633, 136.987831475753 34.9172325724896, 136.988282462975 34.9169059499711, 136.988626284588 34.9166517121615, 136.988837397285 34.9164699625238, 136.988993199684 34.9163031329001, 136.989159254056 34.9161499816905, 136.989312326333 34.9159549061976, 136.989448976759 34.9157473411019, 136.989504781642 34.9156061438633, 136.989550395604 34.9155023982362, 136.989611405211 34.9152863433384, 136.990363678104 34.9154641329093, 136.990465555666 34.9154826616945, 136.990240072796 34.9164134662987, 136.990062804598 34.9170467105587)) ^^http://www.opengis.net/ont/geosparql#wktLiteral