メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.426453680176 34.7972504174327, 135.42637149056 34.7973684836887, 135.425569569344 34.7969866609561, 135.424880319245 34.796660725679, 135.42446382567 34.7964696674658, 135.423380146899 34.7952228630933, 135.426558086393 34.7955970305467, 135.426570384944 34.7960236941158, 135.42657316655 34.7960790228141, 135.425807584329 34.7960946350552, 135.42576335482 34.7966820940086, 135.425807023002 34.7968402980968, 135.425917985421 34.7969807144164, 135.4261275138 34.7971116533944, 135.426453680176 34.7972504174327)) ^^http://www.opengis.net/ont/geosparql#wktLiteral