_:b57484521	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57484521	<http://www.w3.org/ns/oa#exact>	"Changes" .
_:b57484520	<http://www.w3.org/ns/oa#hasSelector>	_:b57484521 .
_:b57484520	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ee721163e2db440749961010287cdf61de7bf301/1> .