メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.790836704341 35.0605424583911, 136.785837984568 35.0601231364302, 136.785880762292 35.0598238254503, 136.786009647919 35.0585232035894, 136.786152125107 35.0570960005255, 136.786247828719 35.0561588062595, 136.786262805594 35.0556539080665, 136.787117798537 35.055708693849, 136.788030060245 35.0557609747402, 136.788798666926 35.0558182969347, 136.789283662877 35.0558442398825, 136.789560762899 35.055866790714, 136.789880773134 35.0558894026558, 136.790466300067 35.055938751779, 136.791334563888 35.0561093991623, 136.791419152997 35.0561260691449, 136.791362331738 35.0566559127845, 136.791228531323 35.0576177886473, 136.790993385686 35.0593993104228, 136.790836704341 35.0605424583911)) ^^http://www.opengis.net/ont/geosparql#wktLiteral