メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.576920907073 37.3836841781504, 138.577807929213 37.3843340702313, 138.578680758074 37.3849993124905, 138.579436255607 37.3855639592451, 138.579762472873 37.3858136511366, 138.580367776472 37.3862715294324, 138.579701206875 37.386306617447, 138.579219213066 37.3863245432563, 138.578732739367 37.3862754504274, 138.578033457715 37.3864274136128, 138.57780795882 37.3864703649234, 138.577501851539 37.3864791544889, 138.57710443054 37.3864708283574, 138.5767177868 37.3864926227823, 138.575958291076 37.3865996971138, 138.575030175456 37.3867676998618, 138.575015097716 37.386683232066, 138.574963884632 37.3863968867273, 138.574946219416 37.3862016131804, 138.574942338702 37.3861586731769, 138.574886602837 37.3858526200828, 138.574833720894 37.3857305827093, 138.574717836338 37.3854632859439, 138.574653582011 37.3853353427371, 138.574589705906 37.3852082444777, 138.574487242751 37.3850552642138, 138.574396081651 37.3849766186773, 138.574333659797 37.3849227331556, 138.574118246524 37.3847646138089, 138.573892174867 37.3846117108848, 138.573619212926 37.3844554577998, 138.573290891642 37.3843434498388, 138.573097347497 37.3843168187001, 138.57333584654 37.3838345853383, 138.573408197479 37.3836888171968, 138.573472614261 37.3836610395032, 138.573656480027 37.3835998195118, 138.5741745512 37.3834495464586, 138.574380202908 37.3833725406592, 138.574543331341 37.3832628986445, 138.574643420526 37.383191733477, 138.574736137785 37.3831560525558, 138.57489193793 37.3831501810089, 138.575010626788 37.3831233554894, 138.575292471884 37.3830313755569, 138.575498332372 37.3829884416157, 138.575931094482 37.382953386138, 138.576920907073 37.3836841781504)) ^^http://www.opengis.net/ont/geosparql#wktLiteral