メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.164251473915 34.6856191727237, 135.164228897859 34.6858093852653, 135.164226304939 34.6858229251881, 135.164496891195 34.6858706588758, 135.16463864402 34.6858584221186, 135.164646828573 34.685858366209, 135.164585727508 34.6862960019349, 135.164435320057 34.6873517606076, 135.164194465699 34.6873362213181, 135.163780071075 34.6873089062924, 135.163831322347 34.6867045653932, 135.1638414011 34.6866211097681, 135.163876057874 34.6862670419163, 135.163917749781 34.6857979870742, 135.163940590679 34.6856265497199, 135.163941480136 34.6856078892949, 135.164251473915 34.6856191727237)) ^^http://www.opengis.net/ont/geosparql#wktLiteral