メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.298744201093 38.2429902468011, 140.299409894158 38.243033819304, 140.302591158486 38.2432302374092, 140.304687638787 38.2433613256621, 140.306196059736 38.2434555011622, 140.307147612397 38.243514953515, 140.307242063601 38.2435239639542, 140.307796620841 38.2458805721465, 140.307930663013 38.2464882012811, 140.307224617212 38.2465811515878, 140.30468719169 38.24690763081, 140.299701466849 38.2475500176776, 140.299153994595 38.2449148280281, 140.299127476122 38.2447912713733, 140.298744201093 38.2429902468011)) ^^http://www.opengis.net/ont/geosparql#wktLiteral