メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.602694688326 33.2424079031348, 131.603355738002 33.2423813747039, 131.603953808977 33.2423522961589, 131.603961116377 33.2429623457289, 131.60395200404 33.2430937193426, 131.603929464754 33.2434176724801, 131.603643878193 33.2434470897293, 131.603695443019 33.2436911315827, 131.603770453883 33.2440897620122, 131.603432279318 33.2440733267671, 131.603298988418 33.24395253863, 131.603062608918 33.2437259972283, 131.602862511341 33.2435209771786, 131.602628100312 33.2432938444957, 131.601856558911 33.242473373812, 131.602694688326 33.2424079031348)) ^^http://www.opengis.net/ont/geosparql#wktLiteral