メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.465132701358 43.04026702018, 144.465153048112 43.0408533640377, 144.464619526064 43.0408888052292, 144.464315273603 43.0409810598472, 144.463936885029 43.0411658920106, 144.463726348253 43.041304645124, 144.463233803412 43.0403527403132, 144.463079479781 43.0400925637082, 144.464787869651 43.0400309310975, 144.465125680833 43.0400188310731, 144.465132701358 43.04026702018)) ^^http://www.opengis.net/ont/geosparql#wktLiteral