メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.469581658222 43.0604714330192, 144.468531493086 43.061301133173, 144.468253517625 43.0611036349159, 144.467876581645 43.0608373760196, 144.467384500176 43.0604896600844, 144.467258919476 43.0604008817171, 144.467168382744 43.0603264036109, 144.470116964532 43.0596255576333, 144.470009460714 43.0599099370721, 144.469865177087 43.0602700688363, 144.469581658222 43.0604714330192)) ^^http://www.opengis.net/ont/geosparql#wktLiteral