メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.179089076389 34.2274488976358, 135.179035254861 34.2286108279926, 135.178199335588 34.2285732422465, 135.178214591282 34.227419507484, 135.178231759797 34.2269346237973, 135.178241155269 34.2263068490045, 135.179076998362 34.2263235821843, 135.179089076389 34.2274488976358)) ^^http://www.opengis.net/ont/geosparql#wktLiteral