メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.762614103869 35.4088434950409, 136.762314302749 35.4088769355022, 136.761991636359 35.4089157922583, 136.761950549497 35.4086343264433, 136.761974367334 35.4084376502232, 136.762053676147 35.4076004743012, 136.762067682825 35.407482355097, 136.762097486976 35.407482454101, 136.762528120426 35.4074731095489, 136.762961079491 35.4075234174101, 136.762857949804 35.408266363087, 136.762844478619 35.4083633575745, 136.762813947896 35.4085786027412, 136.762606244987 35.4086080533223, 136.762614103869 35.4088434950409)) ^^http://www.opengis.net/ont/geosparql#wktLiteral