_:b56557528	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/2fa00bf971dcd475a17dbfa5ac5f2762e9eb2463/1> .
_:b56557528	<http://www.w3.org/ns/oa#hasSelector>	_:b56557529 .
_:b56557529	<http://www.w3.org/ns/oa#exact>	"duration" .
_:b56557529	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .