メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.603196756367 43.2870069840397, 144.603687724728 43.2878354844291, 144.603715935525 43.287883004407, 144.604382988548 43.2890680028875, 144.604430531002 43.2891523966881, 144.604623002721 43.2894997682368, 144.605087343227 43.2903107381949, 144.604674836877 43.290383372664, 144.604530725322 43.2901915452359, 144.604319632876 43.2899055274116, 144.603921445898 43.2894063436177, 144.603805509609 43.289260910763, 144.602867284824 43.2880835316124, 144.602360734555 43.2874547869305, 144.602225328962 43.2872786703852, 144.601192496951 43.2860327598358, 144.602213907895 43.2855948634765, 144.602721058789 43.2857655081744, 144.602861912473 43.2861277993877, 144.602762287018 43.286265293993, 144.603196756367 43.2870069840397)) ^^http://www.opengis.net/ont/geosparql#wktLiteral