メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.906363609099 36.9483539238414, 140.905572222429 36.9484829948822, 140.905569421872 36.9484834436614, 140.905383571377 36.9484970858776, 140.905193955163 36.9485047799767, 140.905041653406 36.948515163617, 140.904998173751 36.948064703192, 140.905469777905 36.9480125813811, 140.905302949717 36.9472528337164, 140.905933241458 36.9472337050477, 140.906096765788 36.947223218993, 140.906225037401 36.9477904139188, 140.906363609099 36.9483539238414)) ^^http://www.opengis.net/ont/geosparql#wktLiteral