メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.603406448387 33.2401773137352, 131.603383112655 33.2408180152312, 131.603369736003 33.2412433133338, 131.603369849804 33.2417343787992, 131.603355738002 33.2423813747039, 131.602694688326 33.2424079031348, 131.602711771008 33.2417958322354, 131.602714713528 33.2415107562588, 131.602717380689 33.2412586501994, 131.60273228762 33.2405315684136, 131.602737101472 33.2402624022882, 131.602767973933 33.2390473473285, 131.603433556045 33.2390741645745, 131.603428913905 33.2396477277935, 131.603406448387 33.2401773137352)) ^^http://www.opengis.net/ont/geosparql#wktLiteral