メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.490543744535 42.9652702403419, 141.491000524147 42.9655198429768, 141.491008987347 42.9655246819184, 141.491377395954 42.9657265064389, 141.491767315258 42.965954705911, 141.492090398183 42.9661670605596, 141.492100325147 42.9661735961473, 141.492468396505 42.9664035487522, 141.492772086132 42.9665851791195, 141.492210732114 42.966992909007, 141.491244076498 42.9676700662414, 141.490897233431 42.9679094289174, 141.490653205474 42.9680853986241, 141.488511948925 42.9695659420803, 141.488156102771 42.9692841538278, 141.488083526494 42.9689573369288, 141.487825826079 42.9684605664056, 141.487667876186 42.9678742948555, 141.487384278922 42.9673736949181, 141.487549967934 42.9672681043717, 141.487850392569 42.9670932194472, 141.488170537784 42.9668761247889, 141.48847510828 42.9666676471534, 141.488757605058 42.966486169559, 141.488868787393 42.9663698065611, 141.489165425264 42.9658803027002, 141.489551189835 42.9651401660409, 141.489883749237 42.9648391025767, 141.489906475234 42.9648560614137, 141.490543744535 42.9652702403419)) ^^http://www.opengis.net/ont/geosparql#wktLiteral