メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.651525407141 42.8301688935371, 141.65177135651 42.8305464606651, 141.651993657182 42.830879524348, 141.651476405995 42.83107248442, 141.65095113458 42.8312594214683, 141.649881799199 42.8316487334846, 141.648951025342 42.8320463592505, 141.648805308486 42.8318482400023, 141.648333788122 42.8311626876309, 141.649132458764 42.8305860778968, 141.649862445109 42.8300651584598, 141.650372882797 42.8296772076329, 141.650877451784 42.8292730469028, 141.651008688366 42.8294074366214, 141.651260490305 42.8297719546967, 141.651525407141 42.8301688935371)) ^^http://www.opengis.net/ont/geosparql#wktLiteral