メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.111636915419 36.365991799245, 140.110884427414 36.3661701075168, 140.110055220725 36.3663437639323, 140.109149148923 36.3664715097924, 140.109244021791 36.3645896546554, 140.109615828274 36.364530176731, 140.110227295456 36.3643828700648, 140.110845086162 36.3642094923485, 140.110990447271 36.3641599026618, 140.111070819922 36.364397981895, 140.111636915419 36.365991799245)) ^^http://www.opengis.net/ont/geosparql#wktLiteral