メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.326602168412 43.0315246413348, 141.328791486615 43.0313786247071, 141.328357611894 43.0318125868639, 141.327060027568 43.0331497298283, 141.326302114332 43.0338564133631, 141.326564877657 43.0340560211869, 141.325683480202 43.0343784042543, 141.325509643119 43.0344308023372, 141.32440593625 43.034853217875, 141.324359560889 43.0348640956688, 141.324106567547 43.0349268233823, 141.324026625244 43.0346388770759, 141.324014299335 43.0346105750194, 141.323979733671 43.0345693629052, 141.323861146245 43.0344223279189, 141.323803005251 43.03425306473, 141.32376873359 43.0341349835784, 141.323792867374 43.0338626493168, 141.323660333006 43.0334765186485, 141.323365338806 43.0332025148374, 141.322992873168 43.0331075773082, 141.322240116576 43.0329281840506, 141.32090936714 43.032843473396, 141.320903197452 43.0322357695855, 141.320110905793 43.0314877065546, 141.319509633659 43.0301031544437, 141.319926889197 43.0289198604296, 141.32150147806 43.0291742902912, 141.322882930674 43.0293876891792, 141.323092244571 43.029474061793, 141.324054929896 43.0298622708046, 141.324557791802 43.029578406124, 141.325386690916 43.0310372151729, 141.326121762646 43.0309822452261, 141.326261293489 43.0312860732041, 141.326367850542 43.0313147844214, 141.32640302138 43.0315265516622, 141.326602168412 43.0315246413348)) ^^http://www.opengis.net/ont/geosparql#wktLiteral