メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.672376291251 35.0705278536501, 136.672477552935 35.0711504155276, 136.672548409384 35.0715173611764, 136.671155582488 35.0716761316141, 136.671071712264 35.0711000232224, 136.670989210058 35.0706958863161, 136.670851143662 35.0697202033928, 136.671194784446 35.0695556212442, 136.671224729662 35.0697601119849, 136.671281952734 35.0698387420813, 136.671378591194 35.0699032800439, 136.671463698935 35.0699354162872, 136.671616302705 35.0699252060214, 136.671937712729 35.0698072249393, 136.672225124708 35.0696800656985, 136.672313512014 35.0701167059032, 136.672376291251 35.0705278536501)) ^^http://www.opengis.net/ont/geosparql#wktLiteral