メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.127805589745 34.6493103071317, 135.127538135018 34.6495757371218, 135.127181609929 34.6499386572137, 135.126158334358 34.6493052657358, 135.126587931013 34.648883275871, 135.1268092238 34.6486384322066, 135.127034340421 34.6487947259162, 135.127498529076 34.6491051079771, 135.127605230534 34.6491763906352, 135.127805589745 34.6493103071317)) ^^http://www.opengis.net/ont/geosparql#wktLiteral