メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.763981327441 35.4368612290844, 136.763925345372 35.4371920506571, 136.763478524975 35.437120717858, 136.76281679314 35.4370611710451, 136.762159634271 35.4368959372574, 136.762191697834 35.4365230684948, 136.76223266014 35.436177375981, 136.762287617808 35.435751451567, 136.762451677312 35.4336702649208, 136.762608845115 35.4337624371882, 136.763503017382 35.4342664965946, 136.76423632317 35.4346789336948, 136.763981327441 35.4368612290844)) ^^http://www.opengis.net/ont/geosparql#wktLiteral