メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.535085021627 37.6564498772417, 140.534383458426 37.6563240977044, 140.534070064469 37.6562823131319, 140.533738536862 37.6562516166787, 140.533695084923 37.6562446947989, 140.533665039377 37.6562085498314, 140.533608054794 37.6560338857471, 140.534015941672 37.655979234255, 140.534399721896 37.6559455597288, 140.534609890666 37.6559468451628, 140.535112126489 37.6559679366477, 140.535127539107 37.656156080034, 140.535122974982 37.6562683150753, 140.535085021627 37.6564498772417)) ^^http://www.opengis.net/ont/geosparql#wktLiteral