メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.803075048733 34.7363913235164, 135.801794460144 34.7364162980875, 135.801927002342 34.735899691641, 135.802119198011 34.7354727698065, 135.802243642865 34.7354849443932, 135.802377872717 34.7354992478353, 135.802468144906 34.7355136206764, 135.802514475014 34.7355297542824, 135.802788520792 34.7357647315315, 135.802883550914 34.7358313716257, 135.80298235006 34.7358750570447, 135.803077098117 34.7358902822492, 135.803075048733 34.7363913235164)) ^^http://www.opengis.net/ont/geosparql#wktLiteral