メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.301955276202 43.1111566684798, 141.302661915201 43.1118318292056, 141.302181256858 43.1120821619563, 141.301762824242 43.1123121905893, 141.300458954833 43.113019517885, 141.299081206514 43.1117018105659, 141.299154133565 43.1116539585571, 141.299475717616 43.1114672323741, 141.300373337576 43.110976819327, 141.300797812845 43.1107468460704, 141.301264326342 43.1104796646432, 141.301897887528 43.1110997904024, 141.301955276202 43.1111566684798)) ^^http://www.opengis.net/ont/geosparql#wktLiteral