メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.972168896849 43.548109672742, 144.971693060152 43.5484832569901, 144.970885531637 43.5479493690768, 144.97130862628 43.5476024306747, 144.97127440467 43.547576699999, 144.971651462126 43.5472724151011, 144.971695038719 43.5473040747862, 144.971812651252 43.5473996480257, 144.972201537153 43.5476411359914, 144.972537557251 43.5477992205943, 144.972168896849 43.548109672742)) ^^http://www.opengis.net/ont/geosparql#wktLiteral