_:b57069341	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57069341	<http://www.w3.org/ns/oa#exact>	"clustering" .
_:b57069340	<http://www.w3.org/ns/oa#hasSelector>	_:b57069341 .
_:b57069340	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/51666299c715b6bbe82f59e978161d0c45b7058d/2> .