メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.409880794229 33.6620542331195, 130.412222339654 33.6630678787871, 130.414855755971 33.6642075920391, 130.414287250903 33.6651852546827, 130.414217005584 33.6653061213593, 130.413667779317 33.666251181494, 130.411039846044 33.6651775445153, 130.408725622417 33.6642345407291, 130.405977111694 33.6631179699189, 130.406619754863 33.6620158754331, 130.407256264085 33.6609285650836, 130.409880794229 33.6620542331195)) ^^http://www.opengis.net/ont/geosparql#wktLiteral