メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.823932923087 35.2316390208317, 136.823169984699 35.2316337680399, 136.822287856783 35.2316273984641, 136.821416099745 35.2316102061106, 136.820305340398 35.2316021148614, 136.820097583263 35.2316025086086, 136.820105039394 35.2311521649328, 136.820123824842 35.2301785984807, 136.819517192791 35.2301846132207, 136.819387767192 35.2296611300845, 136.823895921624 35.2295887846925, 136.823901986091 35.2300945909475, 136.823914763069 35.230667673084, 136.823928794199 35.2311926572092, 136.823932923087 35.2316390208317)) ^^http://www.opengis.net/ont/geosparql#wktLiteral