メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.758876262125 35.4000090107444, 136.758583216369 35.4000997851737, 136.758057065761 35.4002221695981, 136.757539120349 35.4003461278556, 136.757389103525 35.3999769607718, 136.757019398473 35.3990718410262, 136.757210868277 35.3990158679818, 136.757525900287 35.3989391840164, 136.757727756348 35.3988870472312, 136.757689805227 35.3987983984352, 136.75789018184 35.3987494256951, 136.757955099343 35.3988716155994, 136.758285811403 35.3987808275049, 136.758368737848 35.3989813173775, 136.75854610481 35.3994101541478, 136.758876262125 35.4000090107444)) ^^http://www.opengis.net/ont/geosparql#wktLiteral