メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.571408829838 34.8432260787071, 136.571525193048 34.8433389892326, 136.571530052119 34.8433436846582, 136.571586740802 34.8433572925944, 136.571926562843 34.8434741523538, 136.572318734029 34.8438032428139, 136.573193416403 34.8445395878451, 136.572331192809 34.8452429948069, 136.572058746472 34.8454550671948, 136.571477690425 34.8459307912373, 136.57117082706 34.8456714403474, 136.570928414656 34.8454665782955, 136.570910321286 34.8454444086288, 136.570793830725 34.8454860852689, 136.570159114414 34.8456840070094, 136.570051480457 34.8455614040135, 136.570056522615 34.8455246877474, 136.56927304654 34.8447687993566, 136.569102470781 34.8448890419677, 136.568424110149 34.8442416113828, 136.56932481715 34.8435784126654, 136.569644333733 34.8433543668383, 136.570746712018 34.8425813312421, 136.571408829838 34.8432260787071)) ^^http://www.opengis.net/ont/geosparql#wktLiteral