メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.384895965376 37.4264385671168, 140.384742824851 37.4265186871416, 140.384505827609 37.4266290459715, 140.384369073808 37.426674735441, 140.384195822908 37.4266851133023, 140.384099092167 37.4266816182305, 140.384089044296 37.4265221385861, 140.383652293693 37.4265503522091, 140.383574908874 37.4266623642748, 140.383455065391 37.4268107581446, 140.383356938291 37.4268931581836, 140.383240781289 37.4269966196219, 140.383104353354 37.427080744923, 140.382787001343 37.4272300540634, 140.383060142739 37.4261833523718, 140.384895965376 37.4264385671168)) ^^http://www.opengis.net/ont/geosparql#wktLiteral