メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.776057385499 35.444741949958, 136.775704752478 35.4447839823787, 136.77533313391 35.4447925723318, 136.775317992322 35.4445962261341, 136.775396643069 35.4445964797808, 136.775299167919 35.4439162181264, 136.775245793846 35.4437692185586, 136.775197756501 35.4435336832532, 136.775502486717 35.4434845605334, 136.775561898951 35.4435926711831, 136.775785225595 35.4435168776874, 136.775935060548 35.443824747186, 136.775676821008 35.4438686680041, 136.775820808671 35.4443360570911, 136.775854396221 35.4443302855022, 136.775951714907 35.4445365792936, 136.776018731295 35.4445583796775, 136.776057385499 35.444741949958)) ^^http://www.opengis.net/ont/geosparql#wktLiteral