メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.859276500239 35.2579603537505, 136.859280880717 35.2588367177077, 136.85801334798 35.2588388863133, 136.856774488239 35.2588248477582, 136.856595198183 35.2579435273222, 136.856512867519 35.2576111980025, 136.856812599415 35.2574892236406, 136.8570903036 35.2573744453723, 136.857319516705 35.2572775698932, 136.857741706312 35.2570737941543, 136.858016182038 35.2569381597192, 136.858435038853 35.2567352884034, 136.858778793725 35.2566116608765, 136.858963889186 35.2565507256405, 136.859140038606 35.2565168802217, 136.859301903734 35.2564857446223, 136.859420832964 35.2564571753195, 136.859561735234 35.2564358444745, 136.859760447696 35.257137630835, 136.859298348174 35.2571346204028, 136.859276500239 35.2579603537505)) ^^http://www.opengis.net/ont/geosparql#wktLiteral