メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.843865691127 35.101276864526, 138.844759601987 35.1011370531615, 138.844945536516 35.1019296772231, 138.844869849296 35.1020115893967, 138.84464256527 35.1021948577813, 138.844187194858 35.1016842881894, 138.84372027951 35.1019019012976, 138.843291518067 35.101456187449, 138.843611063052 35.1013211142021, 138.843706950096 35.1012995016665, 138.843865691127 35.101276864526)) ^^http://www.opengis.net/ont/geosparql#wktLiteral