メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.806703479305 35.3175847210541, 136.8068904465 35.3180574726183, 136.806509251228 35.3181533816968, 136.806307848709 35.3182040502353, 136.805925103879 35.3183003756466, 136.805931305376 35.31831638194, 136.805546961109 35.3184098141128, 136.805450449597 35.3181464700314, 136.805428425644 35.3180863760915, 136.805370437857 35.3179281475869, 136.804797283014 35.3180665062067, 136.804617994197 35.3176623668097, 136.804638362359 35.3176368632287, 136.805564890339 35.3173639946367, 136.806531861583 35.3171146912159, 136.806703479305 35.3175847210541)) ^^http://www.opengis.net/ont/geosparql#wktLiteral