メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.867371568904 35.2434232522191, 136.867277418962 35.2444518396257, 136.866204205135 35.2444109290839, 136.865205501432 35.2443530115731, 136.865244214775 35.2438195781012, 136.865257564495 35.2436508766293, 136.865283984259 35.243278823124, 136.865316425764 35.2428218542552, 136.866334954444 35.2428765096394, 136.86656422736 35.2429072214537, 136.866989120006 35.2429294761816, 136.867331066855 35.2429172973244, 136.867424049684 35.2429240066773, 136.867405574277 35.243086921301, 136.867371568904 35.2434232522191)) ^^http://www.opengis.net/ont/geosparql#wktLiteral