メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.725680192393 36.0199753385265, 139.725904139214 36.0201833271834, 139.725714242108 36.0205196563124, 139.725092448396 36.021596483199, 139.725084553141 36.0216101491372, 139.724854712409 36.0220068569821, 139.724439121366 36.0227173179753, 139.724373935426 36.0228196221493, 139.724077856886 36.0223421980484, 139.723781690927 36.0219233387279, 139.723477414342 36.0215036995428, 139.723178005803 36.0210765810012, 139.723072540125 36.0209179790264, 139.724236407364 36.0203055325194, 139.725401746636 36.0196951777471, 139.725680192393 36.0199753385265)) ^^http://www.opengis.net/ont/geosparql#wktLiteral