メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.789440655225 35.1510966123219, 136.788391278585 35.151040729734, 136.788394839302 35.1513796905797, 136.788273148582 35.1527691927568, 136.788266902086 35.1528124839331, 136.786886628873 35.1523230835, 136.78687107365 35.1520379590742, 136.787499921303 35.1520487336321, 136.787587408283 35.1509989888701, 136.787606180011 35.150386572118, 136.787381668636 35.1502199495947, 136.787472867741 35.1500802333976, 136.78816211594 35.1502910570085, 136.788309851953 35.1503092663329, 136.788419845559 35.150303271442, 136.788756921921 35.1503087615767, 136.789093823062 35.1503052359917, 136.789484870896 35.150283638898, 136.789440655225 35.1510966123219)) ^^http://www.opengis.net/ont/geosparql#wktLiteral