_:b57497020	<http://www.w3.org/ns/oa#hasSelector>	_:b57497021 .
_:b57497020	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c18255847a0b4f89e12a7fce7a0c731d43ff1850/2> .
_:b57497021	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57497021	<http://www.w3.org/ns/oa#exact>	"recurrence" .