メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.839597028634 34.9016882801288, 136.839185071795 34.9032878945734, 136.839034305483 34.9038923680184, 136.838352560802 34.9037660520388, 136.837690935747 34.9036435203509, 136.83666250809 34.9034529958193, 136.836760946612 34.9030653567165, 136.83699592574 34.9021400249806, 136.837482432004 34.900224190186, 136.837916057751 34.9002953905387, 136.837857789328 34.900632859303, 136.839109421915 34.9008239232834, 136.839039788099 34.9011614323157, 136.839698983466 34.9012834610387, 136.839604624788 34.901658792199, 136.839597028634 34.9016882801288)) ^^http://www.opengis.net/ont/geosparql#wktLiteral