_:b58160656	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/155e52fc712b7c7328a277b50aad58e009d7f34b/0> .
_:b58160657	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b58160657	<http://www.w3.org/ns/oa#exact>	"usefulness" .
_:b58160656	<http://www.w3.org/ns/oa#hasSelector>	_:b58160657 .