メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.779006298833 35.4522706797052, 136.778926710721 35.451925503127, 136.778862524226 35.4517068162943, 136.779661158512 35.451581771109, 136.779681447294 35.4517753173057, 136.779536593819 35.4519043230432, 136.779390260088 35.4520456124475, 136.779293379359 35.4521306520156, 136.779163071425 35.4522140015697, 136.779006298833 35.4522706797052)) ^^http://www.opengis.net/ont/geosparql#wktLiteral