メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.801913058017 35.6903170082368, 139.802612733927 35.6903441308354, 139.803226631956 35.6903746809215, 139.803203843584 35.6907597512029, 139.803173571194 35.6911781992007, 139.803146827059 35.6916304481379, 139.80312020491 35.6920804445985, 139.803102631078 35.6924401656235, 139.801819888947 35.6923660555407, 139.801779375887 35.6923638283507, 139.800484684961 35.6922924127233, 139.800480263582 35.6922921304759, 139.800516019247 35.6919479753102, 139.800528766335 35.6914996677905, 139.800561865719 35.6910342187774, 139.800576115237 35.6908866630143, 139.800578525655 35.6907992760781, 139.80058586084 35.6906290085747, 139.800609843348 35.6902237992271, 139.801299949562 35.6902730018891, 139.801913058017 35.6903170082368)) ^^http://www.opengis.net/ont/geosparql#wktLiteral