メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.343097128035 43.2250070785974, 141.343217812218 43.2252999712279, 141.343354925893 43.2256263999083, 141.341946026402 43.225928254001, 141.340927976071 43.2261452167654, 141.340433292934 43.2262591533498, 141.34009057313 43.2253700720209, 141.339967841213 43.2250543027557, 141.339643894835 43.2241970874738, 141.340106917045 43.2241093458031, 141.340847626 43.2239411027704, 141.342509857924 43.223583252076, 141.342635083524 43.2238937633738, 141.342732869407 43.2241091125334, 141.342858089978 43.2244265866732, 141.342878760509 43.2244918754748, 141.343083537386 43.2249507076611, 141.343097128035 43.2250070785974)) ^^http://www.opengis.net/ont/geosparql#wktLiteral