メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.651069583986 35.467803941874, 139.652302095719 35.4669214202727, 139.656130885094 35.4702137600189, 139.653668424128 35.4720898930134, 139.650346861569 35.4745550096014, 139.645655767238 35.4747790772811, 139.644084419183 35.4733878501851, 139.644211492016 35.4733119255705, 139.644280789577 35.4731941511093, 139.649411897735 35.4694483780545, 139.649963190514 35.4699320553866, 139.650494968001 35.469525377695, 139.650574109748 35.4693321238395, 139.651069583986 35.467803941874)) ^^http://www.opengis.net/ont/geosparql#wktLiteral