_:b56529952	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/1befda96de6363e4d4e3f7c62ccbd7cdb53a6b00/0> .
_:b56529953	<http://www.w3.org/ns/oa#exact>	"duration" .
_:b56529952	<http://www.w3.org/ns/oa#hasSelector>	_:b56529953 .
_:b56529953	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .