メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.33068534702 38.2245062014302, 140.330709446737 38.2245050372254, 140.331160938373 38.2244854360138, 140.331417430471 38.225973028918, 140.330822348339 38.2260463554597, 140.33060847449 38.2260838694361, 140.329936126084 38.2261753008533, 140.329284036059 38.2262725882211, 140.328452519926 38.2263931713313, 140.327550928204 38.2265306201335, 140.327335172787 38.2261497240258, 140.327161801901 38.2258142008506, 140.327039142044 38.2256423422006, 140.326513080527 38.2246912137267, 140.327593217212 38.2246473170331, 140.328603094411 38.224608879115, 140.32863410931 38.2246076046043, 140.330220809059 38.2245284197598, 140.33068534702 38.2245062014302)) ^^http://www.opengis.net/ont/geosparql#wktLiteral