メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.689315892921 35.4159373543847, 136.689318376953 35.416289429332, 136.68932297963 35.4164353577989, 136.689327450908 35.4169102522131, 136.68933903537 35.4178786791729, 136.688748063583 35.417868925078, 136.687481505665 35.4178512925696, 136.686950586516 35.417840253301, 136.686950579416 35.4173765018808, 136.686936898678 35.4163090919963, 136.686933205606 35.4158939866719, 136.686933076153 35.4158795857813, 136.686933305872 35.4158625443773, 136.686939648895 35.4153868476241, 136.689305236384 35.4154319068512, 136.689315892921 35.4159373543847)) ^^http://www.opengis.net/ont/geosparql#wktLiteral