メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.600794211524 42.6296759680367, 141.601626017981 42.6297953283301, 141.602053984926 42.6298558478857, 141.603327828947 42.6300573163898, 141.603084288486 42.6302910050922, 141.602253705704 42.6310964432751, 141.602190470465 42.6311460235976, 141.601722880351 42.6315919822765, 141.600775816124 42.6310192840676, 141.600756742843 42.631007922141, 141.599924011532 42.6305107044175, 141.598945939285 42.6299463983405, 141.599468353109 42.6294910574104, 141.600032294674 42.6295634698831, 141.600794211524 42.6296759680367)) ^^http://www.opengis.net/ont/geosparql#wktLiteral