メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.713595924005 33.2497466169954, 131.713645935401 33.2500511158565, 131.713671750487 33.250246316383, 131.71370642744 33.2504176878824, 131.713753394325 33.2507396576655, 131.713749909916 33.2508164295838, 131.713823210574 33.2512630955524, 131.713909709516 33.2519307979907, 131.71177551161 33.2521580369874, 131.709375417864 33.2524048965249, 131.707801587714 33.2525604143758, 131.707730020668 33.2518777043405, 131.707654203278 33.2508858824404, 131.707567230478 33.2499035810007, 131.70751375732 33.249239330217, 131.70895747546 33.2490811586648, 131.711291654742 33.2488635502986, 131.713427612578 33.2486359412057, 131.713522560806 33.2491679530573, 131.713595924005 33.2497466169954)) ^^http://www.opengis.net/ont/geosparql#wktLiteral