メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.483969844557 40.5936172829289, 140.483511903364 40.5941956744834, 140.483092916572 40.5946796847085, 140.482522182895 40.5944004476539, 140.481850780199 40.5940718592942, 140.481148761724 40.5937431736271, 140.481352045045 40.5934872558342, 140.481060187189 40.5933417039788, 140.481230779712 40.5931414136966, 140.481541797377 40.5932853357017, 140.482051761483 40.5926807239586, 140.482286268038 40.592779169211, 140.482639736058 40.5929603681119, 140.482984162817 40.5931276076878, 140.48336486801 40.5933123347094, 140.483969844557 40.5936172829289)) ^^http://www.opengis.net/ont/geosparql#wktLiteral