メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.033036444988 35.3503992595462, 136.032424780541 35.3505148541787, 136.031727308723 35.3506570195779, 136.031266445198 35.3507748920435, 136.031246488963 35.3507134883952, 136.03123057373 35.3506432110096, 136.031083322805 35.3498788065553, 136.03098630786 35.3493938276549, 136.031670463758 35.3491878674607, 136.032135351638 35.3490742177796, 136.032293207751 35.3493144584849, 136.032597692439 35.3497976167359, 136.0330269473 35.3503716563815, 136.033036444988 35.3503992595462)) ^^http://www.opengis.net/ont/geosparql#wktLiteral