メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.897731137791 43.5722384630964, 141.898045451673 43.5729166963737, 141.896428847605 43.5733257498004, 141.896430185971 43.5733284967232, 141.895779464477 43.5734934346634, 141.895657537379 43.573457542939, 141.895201329502 43.5735630924532, 141.893654956776 43.573951751309, 141.893093115249 43.5740907891265, 141.892536247473 43.5742225970003, 141.891324324508 43.5745357903886, 141.890753212115 43.5746871294186, 141.889616326803 43.5749599285397, 141.888921750998 43.5751407568738, 141.888340483321 43.5752733804537, 141.887892209234 43.5754104658322, 141.887352597851 43.5755598834933, 141.887084928049 43.5756330503071, 141.886822867282 43.5754811260645, 141.886421318682 43.5752423635017, 141.885981079872 43.575092929362, 141.885731072392 43.5750520473587, 141.885425650993 43.5750739647921, 141.885252492197 43.5751133919876, 141.885177579777 43.5751530973552, 141.885090512446 43.575255599207, 141.885077105853 43.5751733119391, 141.885032038259 43.5749241491547, 141.884775091671 43.5746514529944, 141.884761673911 43.5745633281518, 141.884842954805 43.5745456899821, 141.886451495938 43.574141842692, 141.886641476321 43.5741030296472, 141.887184429849 43.5739668120412, 141.887571421489 43.5738497893906, 141.887679911312 43.5738353292355, 141.888229683719 43.5736942052014, 141.888867691637 43.5735286730573, 141.888941735102 43.5735161426485, 141.890047855101 43.5732320368289, 141.890580879673 43.5730997447609, 141.890634359644 43.5730807493841, 141.891282896103 43.5729191405153, 141.891834816561 43.572780079443, 141.892376774227 43.5726446067269, 141.892908774089 43.5725163087585, 141.892943519986 43.5725164172434, 141.893336444274 43.5723985127511, 141.893888024729 43.5722621139493, 141.894023146208 43.5722287075395, 141.894639738728 43.5720726057543, 141.89496749566 43.5719990436795, 141.895309985487 43.5719077346911, 141.895681804548 43.5718165506198, 141.895941071645 43.5717569789138, 141.897306237087 43.5713811231161, 141.897389515874 43.5715296946633, 141.897731137791 43.5722384630964)) ^^http://www.opengis.net/ont/geosparql#wktLiteral