メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.785162557627 35.4486600363898, 136.785223865799 35.4488809666935, 136.785288920448 35.4491194787545, 136.785318488516 35.4494011524606, 136.78539573451 35.4498562843906, 136.785454768901 35.4504413205034, 136.783817288396 35.4505841650007, 136.783155128104 35.4506614689492, 136.783091669734 35.4500872636312, 136.783044570118 35.4497838443887, 136.782959176783 35.4491806619151, 136.782921070861 35.4488977336911, 136.782888888869 35.448658793278, 136.782841826095 35.448348156709, 136.78501130009 35.4481149535256, 136.785162557627 35.4486600363898)) ^^http://www.opengis.net/ont/geosparql#wktLiteral