メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.493891100029 33.7288170395983, 135.492885134803 33.728898019623, 135.492400843283 33.7290074736901, 135.490643455007 33.7268804226645, 135.492716934708 33.7251680466786, 135.494847093807 33.7272634910643, 135.494982428516 33.7277431834979, 135.494971978299 33.7284443123551, 135.494856126522 33.7286722067264, 135.494600946639 33.7287721773486, 135.493891100029 33.7288170395983)) ^^http://www.opengis.net/ont/geosparql#wktLiteral