メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.202435209611 33.9111731462481, 133.201331755025 33.9108780761761, 133.20135919936 33.9108090407888, 133.200172478333 33.9104815688336, 133.200563935856 33.9096131390575, 133.20078789124 33.9091361656902, 133.20295713437 33.9097846744127, 133.202588750667 33.910754463589, 133.202435209611 33.9111731462481)) ^^http://www.opengis.net/ont/geosparql#wktLiteral