_:b57329576	<http://www.w3.org/ns/oa#hasSelector>	_:b57329577 .
_:b57329577	<http://www.w3.org/ns/oa#exact>	"density" .
_:b57329576	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/0dbe4d649872b1ecd33637cf4bcdeca805d2b714/2> .
_:b57329577	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .