メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.291947208015 43.0723613821387, 141.292011116191 43.0724156479933, 141.292246208552 43.0726151704632, 141.292371778296 43.0727140480032, 141.292548526366 43.0728532310712, 141.292027297895 43.0731442518905, 141.291623939527 43.0733693743629, 141.291276549358 43.0735672548438, 141.291258365316 43.0735767375091, 141.291035903186 43.0736930970564, 141.290728804967 43.0738599474179, 141.29037848363 43.0740362091618, 141.290218580325 43.0742377682989, 141.290042855334 43.0744756243493, 141.289786216143 43.0742491218507, 141.289483798162 43.0740177344279, 141.289280320538 43.0739195348545, 141.289021832469 43.0738546319719, 141.288647815576 43.0737605555089, 141.289328720407 43.0733638490307, 141.289433368823 43.073303400272, 141.289802495391 43.0731084505424, 141.290151370815 43.0729138924961, 141.290246504675 43.0728606072568, 141.290677752927 43.0726188434465, 141.291135501635 43.0723754024572, 141.29162661787 43.0721142339861, 141.291947208015 43.0723613821387)) ^^http://www.opengis.net/ont/geosparql#wktLiteral