メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.166011888345 36.5203732985654, 140.166219144947 36.5204119368086, 140.16557543916 36.521854540495, 140.165362553294 36.5217187513388, 140.165161274548 36.5212577046687, 140.164759829352 36.5205943648746, 140.164892932862 36.5203107345, 140.165221849481 36.5202258863773, 140.166011888345 36.5203732985654)) ^^http://www.opengis.net/ont/geosparql#wktLiteral