_:b57225396	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/18a116d870bd24c96d95317418946ce0873f2180/0> .
_:b57225397	<http://www.w3.org/ns/oa#exact>	"cluster" .
_:b57225396	<http://www.w3.org/ns/oa#hasSelector>	_:b57225397 .
_:b57225397	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .