メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2244741772 43.125445686137, 141.224839174423 43.1253170215541, 141.225374111211 43.1258269852445, 141.225483830188 43.1259321948245, 141.22605938183 43.126500399676, 141.225653528412 43.1266201214085, 141.225622644958 43.12662955081, 141.225453788902 43.1266961163026, 141.224888844426 43.1269298190047, 141.224809191779 43.1269674339659, 141.22448694548 43.1271458516206, 141.224096590048 43.1273489063615, 141.223731700166 43.1276023313309, 141.223311749653 43.1278409142056, 141.223100355305 43.127482521083, 141.222811355306 43.1269308711137, 141.222339870349 43.1260272039516, 141.222870477809 43.125883085522, 141.223022965484 43.1258421875416, 141.223392276109 43.1257544977909, 141.22428264316 43.1255076859899, 141.2244741772 43.125445686137)) ^^http://www.opengis.net/ont/geosparql#wktLiteral