メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.869585517278 35.2845772129218, 136.869611254359 35.2848367128965, 136.869642736492 35.2849174934942, 136.869675326063 35.2852232073645, 136.869740162327 35.2856007589948, 136.869786356384 35.2859616469453, 136.868388209654 35.2861501434237, 136.868286958324 35.2861636291938, 136.868197123989 35.286179254762, 136.867842328727 35.2862209935998, 136.867490171199 35.2862634409214, 136.867374830087 35.2862782994021, 136.867152977132 35.2863008543519, 136.867166747548 35.2859453956306, 136.867119830736 35.2855106337862, 136.867113984329 35.285187380212, 136.867063724081 35.284501835032, 136.867999501919 35.2844081385854, 136.869535659466 35.2842553308752, 136.869542089306 35.2843228116091, 136.86955807317 35.2844141181798, 136.869585517278 35.2845772129218)) ^^http://www.opengis.net/ont/geosparql#wktLiteral