メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.679418394188 35.3077059028909, 136.679639561964 35.3082315619161, 136.679789642292 35.3085698999786, 136.6800442042 35.3091437888297, 136.680097722292 35.3096908204011, 136.679169165415 35.3097727423157, 136.676869972967 35.3099232404348, 136.676844672122 35.3099231387696, 136.676864204015 35.3090331699866, 136.676907326129 35.3087484911516, 136.677035015686 35.3081659205429, 136.677275071279 35.3068262142055, 136.677881859086 35.3067671003047, 136.678957911798 35.3066380312419, 136.679164853849 35.3071280725865, 136.679418394188 35.3077059028909)) ^^http://www.opengis.net/ont/geosparql#wktLiteral