_:b57000388	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b5acd11858f1227010b6773c09d010198d86f481/0> .
_:b57000388	<http://www.w3.org/ns/oa#hasSelector>	_:b57000389 .
_:b57000389	<http://www.w3.org/ns/oa#exact>	"occurrence" .
_:b57000389	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .