メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.615436612539 34.6180379536006, 135.615425428765 34.6186355990819, 135.615425179325 34.6186620805245, 135.614196425711 34.6186742962868, 135.612704071098 34.6186891182396, 135.612639856314 34.6180963034136, 135.612578615822 34.6174454525405, 135.612520665455 34.616829566754, 135.61308566192 34.6168202329674, 135.613968852597 34.6168018970967, 135.614005736134 34.6167937025783, 135.614774059132 34.6167535891799, 135.615360374167 34.6167213485165, 135.615443632719 34.6174843839166, 135.615442786158 34.6177700512952, 135.615436612539 34.6180379536006)) ^^http://www.opengis.net/ont/geosparql#wktLiteral