メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.40381415868 34.790405807589, 135.403548716525 34.7906133654004, 135.402850275369 34.7909378357309, 135.402508886968 34.7905146231296, 135.402385957551 34.7904548566117, 135.400469222214 34.7895595459069, 135.402234086421 34.7880058058856, 135.402704719468 34.7875860150938, 135.403100891856 34.7872832212434, 135.40510209214 34.7889470744403, 135.404504183035 34.7894984243758, 135.404462509564 34.7895368208966, 135.403820516324 34.7900794000176, 135.404011451031 34.7902356122615, 135.40381415868 34.790405807589)) ^^http://www.opengis.net/ont/geosparql#wktLiteral