メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.687364083997 36.1816601741124, 139.687562855885 36.1832022408511, 139.686990985963 36.1827360238103, 139.686600770062 36.1824114619303, 139.686028189218 36.181931276028, 139.68569998963 36.1816850830556, 139.685037597382 36.1811962801351, 139.68544018801 36.1808308664044, 139.685843901809 36.1804488030363, 139.686095386369 36.1806172902337, 139.687343219004 36.1815248860778, 139.687364083997 36.1816601741124)) ^^http://www.opengis.net/ont/geosparql#wktLiteral