メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.230300370844 35.5030268778655, 134.230664532629 35.5033249957642, 134.229677901624 35.5041283252112, 134.229635068213 35.5041626880432, 134.229561635 35.504098541927, 134.229279514197 35.503867566397, 134.228953856686 35.503590390955, 134.228941383908 35.5035792886425, 134.228993281306 35.5035375740646, 134.22952268536 35.5031215618485, 134.229502973272 35.5030892926334, 134.22966116229 35.5029632350497, 134.229697041506 35.5029882295306, 134.22998871352 35.5027615492757, 134.230300370844 35.5030268778655)) ^^http://www.opengis.net/ont/geosparql#wktLiteral