メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.377854803669 43.7432472562502, 142.377760687877 43.7434318486934, 142.377574715065 43.7437966536075, 142.377443146126 43.744025958986, 142.377351242881 43.7441861299764, 142.377129338608 43.7445728446654, 142.376986927898 43.7448210612792, 142.37666749672 43.7453777282161, 142.37593594177 43.7451521130566, 142.375419833055 43.7449983021396, 142.375317787803 43.7449624437358, 142.375773621526 43.7441715499778, 142.375983453344 43.7437895111743, 142.376201120361 43.7434102928502, 142.376413310999 43.7430281097715, 142.376620833294 43.7426631956163, 142.377968964629 43.7430427930733, 142.377854803669 43.7432472562502)) ^^http://www.opengis.net/ont/geosparql#wktLiteral