メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.182851188535 43.5241439217639, 142.183498518601 43.5241968545632, 142.184182396874 43.5242527609253, 142.185577992834 43.524366828384, 142.185453440752 43.5251878200982, 142.185400935422 43.5254872849513, 142.185163886852 43.5267075281042, 142.184456713199 43.5266537241617, 142.183154470037 43.5265545384811, 142.182459877746 43.5265088544363, 142.181793826034 43.5264589639528, 142.181862566855 43.5259688004107, 142.18194242418 43.5253000648719, 142.181991811949 43.5250381485906, 142.182013900508 43.524803959407, 142.182085642285 43.5240776610792, 142.182851188535 43.5241439217639)) ^^http://www.opengis.net/ont/geosparql#wktLiteral