メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.378511825847 43.1099377072306, 141.379478780115 43.1106525357268, 141.379189823867 43.1108634260565, 141.378901121139 43.1110834605456, 141.378569501752 43.1113241948631, 141.377699382283 43.1106984214082, 141.377591887107 43.1110956466968, 141.377490284642 43.111078276165, 141.377042355232 43.1110057320238, 141.377121965027 43.1107134311864, 141.377185366071 43.1105010394899, 141.377277520577 43.1101231093323, 141.377335002097 43.1099287459471, 141.377386485256 43.1097577546475, 141.377449749667 43.1095481747226, 141.37791297227 43.1096042358337, 141.378109781005 43.1096226124521, 141.378511825847 43.1099377072306)) ^^http://www.opengis.net/ont/geosparql#wktLiteral