メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.84346017562 35.8215691218175, 139.844411867455 35.8221258488488, 139.844985785079 35.8224649304012, 139.844248668745 35.823304350652, 139.843887327794 35.8237119374735, 139.842874734787 35.8231127515072, 139.842260977441 35.822762679186, 139.842169077699 35.8227068499511, 139.841931805729 35.8225616788736, 139.842288324494 35.8221405790024, 139.841016528114 35.8213902441759, 139.841300086437 35.8210404133802, 139.841699275513 35.8205358341736, 139.841847940377 35.8203541843797, 139.843621532632 35.8213885768805, 139.84346017562 35.8215691218175)) ^^http://www.opengis.net/ont/geosparql#wktLiteral