メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.602038357829 33.2390160107464, 131.602767973933 33.2390473473285, 131.602737101472 33.2402624022882, 131.60273228762 33.2405315684136, 131.602717380689 33.2412586501994, 131.602714713528 33.2415107562588, 131.602711771008 33.2417958322354, 131.602694688326 33.2424079031348, 131.601856558911 33.242473373812, 131.601491124906 33.2419780980495, 131.601322651358 33.2417502026935, 131.60112852964 33.241473982876, 131.600808826923 33.2410325855169, 131.60047974723 33.2405495635686, 131.600381210606 33.2403425891762, 131.60029587095 33.2401466279845, 131.600209245472 33.2399038789883, 131.600178048882 33.2397799015999, 131.600092110493 33.2394904075519, 131.599951981593 33.2389750219487, 131.600780554143 33.2389753035074, 131.602038357829 33.2390160107464)) ^^http://www.opengis.net/ont/geosparql#wktLiteral