<http://www.idref.fr/133434885/id#membership>	<http://schema.org/startDate>	"2011-01-01"^^<http://www.w3.org/2001/XMLSchema#date> .
<http://www.idref.fr/133434885/id#membership>	<http://www.w3.org/ns/org#organization>	<http://www.idref.fr/149706480/id> .
<http://www.idref.fr/133434885/id#membership>	<http://schema.org/endDate>	"2023-01-01"^^<http://www.w3.org/2001/XMLSchema#date> .