メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.386027588058 43.0240557457721, 141.386735883113 43.0241029325376, 141.387360267975 43.0253853328987, 141.386715641264 43.0255480040287, 141.386632348113 43.0253763322109, 141.386255302168 43.025460839991, 141.386352046193 43.0256849394716, 141.385669506201 43.0258369805901, 141.385629663705 43.0257387797362, 141.385607224067 43.0256779149749, 141.385513719979 43.0255509653131, 141.385235689533 43.0251917284421, 141.385693381657 43.024319074611, 141.385650932937 43.0242222602319, 141.385568958674 43.0240252082932, 141.385791802029 43.0240268898482, 141.386027588058 43.0240557457721)) ^^http://www.opengis.net/ont/geosparql#wktLiteral