メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.182490357703 34.2345944008482, 135.182466002776 34.2347896239621, 135.18180740597 34.234781847945, 135.181805401226 34.2345677134679, 135.181629529998 34.2345665391446, 135.181642855109 34.2344071642284, 135.181495092444 34.2344020915036, 135.181508952267 34.2341257991671, 135.181664373364 34.2341369797611, 135.182541171841 34.234205659084, 135.182490357703 34.2345944008482)) ^^http://www.opengis.net/ont/geosparql#wktLiteral