_:b56812220	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/3855de3900dee3cecb63982884763c5dac76b8cb/0> .
_:b56812221	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56812220	<http://www.w3.org/ns/oa#hasSelector>	_:b56812221 .
_:b56812221	<http://www.w3.org/ns/oa#exact>	"aggregation" .