メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.967380223405 36.3403715276548, 139.966220778703 36.3405105446621, 139.965694788198 36.3377378564308, 139.965186585508 36.3349789456251, 139.967638180993 36.3347029164157, 139.97139204271 36.3342687809322, 139.971776647146 36.3365975268138, 139.971799497937 36.3367871161835, 139.971788868288 36.3380183345404, 139.97175422489 36.3384105998983, 139.971660768896 36.338904148369, 139.971499313157 36.3388943004398, 139.971195592116 36.3399180747106, 139.969414480372 36.3401276153316, 139.967380223405 36.3403715276548)) ^^http://www.opengis.net/ont/geosparql#wktLiteral