メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.395813070953 38.409140169392, 140.394275609405 38.409070824104, 140.393449168578 38.409037899495, 140.393066000525 38.4090115526671, 140.392654215568 38.4090419695978, 140.392145221202 38.4090672345776, 140.391866044121 38.4090635145243, 140.390840259142 38.4090141990555, 140.390850532727 38.4089290708953, 140.391453049779 38.4087296048679, 140.391974791285 38.4085577054872, 140.393277363471 38.4081206896995, 140.394312573884 38.4077789522894, 140.3943254264 38.4077911061149, 140.394856764651 38.4083053543935, 140.395467484141 38.4088238374369, 140.395813070953 38.409140169392)) ^^http://www.opengis.net/ont/geosparql#wktLiteral