メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.051037251946 34.0634526901567, 131.051226284328 34.0635265300582, 131.051638321648 34.0637297372713, 131.051670373255 34.0637445376263, 131.05205169498 34.0639215451415, 131.052257456496 34.0640170876496, 131.051173722923 34.0647044101185, 131.05059115733 34.0650565032741, 131.049876051985 34.065499093615, 131.0482839675 34.0664768887412, 131.047419489867 34.0669364181513, 131.046815020096 34.0672722348361, 131.045876193485 34.0678623639481, 131.045864841614 34.0678695855382, 131.045179215479 34.0671933664217, 131.045896679182 34.0666257347891, 131.046282252395 34.0663310335228, 131.048801700338 34.0643702749367, 131.049529225914 34.0637997543659, 131.050337701816 34.0631606588547, 131.050652600153 34.0632911450817, 131.051037251946 34.0634526901567)) ^^http://www.opengis.net/ont/geosparql#wktLiteral