メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.761882472434 35.439283317288, 136.761904092976 35.43958879676, 136.76191053769 35.4397454303046, 136.760450953929 35.4397718021243, 136.760436904648 35.4392960392557, 136.76039491335 35.4385154115683, 136.760899013875 35.4385072313351, 136.76201280859 35.4384961123516, 136.761948240563 35.4386834944934, 136.761904305026 35.4388833740331, 136.761883269318 35.4391238558836, 136.761882472434 35.439283317288)) ^^http://www.opengis.net/ont/geosparql#wktLiteral