メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.670461132922 35.0675234010921, 136.670491032369 35.0677175392767, 136.670247523252 35.0677243071632, 136.669379686319 35.0677500120937, 136.669394249784 35.0676664779883, 136.669457639367 35.0673632291086, 136.669408696097 35.0672594806021, 136.669412965269 35.0671634677893, 136.669763161855 35.0671573109965, 136.670037156511 35.0671391077818, 136.670265787339 35.0671670721508, 136.67042317273 35.0671662030112, 136.670461132922 35.0675234010921)) ^^http://www.opengis.net/ont/geosparql#wktLiteral