_:b57908548	<http://www.w3.org/ns/oa#hasSelector>	_:b57908549 .
_:b57908549	<http://www.w3.org/ns/oa#exact>	"expressions" .
_:b57908548	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5f56a9b712608c599a21191b06b78bfa70ad523f/2> .
_:b57908549	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .