メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.208428636259 36.1859548982087, 136.207100446187 36.1858888502722, 136.207143461787 36.185332405632, 136.20693927399 36.1853721722707, 136.206856246517 36.1849770151299, 136.206472802223 36.185023852065, 136.206384723654 36.1848223923983, 136.206218075839 36.1848265875893, 136.206146043221 36.184432959234, 136.207367462393 36.184367954231, 136.207371348412 36.1847902868152, 136.208752674467 36.1847653537637, 136.208790420854 36.185376843691, 136.208460530411 36.1857062849513, 136.208428636259 36.1859548982087)) ^^http://www.opengis.net/ont/geosparql#wktLiteral