<https://rmgroup.com/2017/08/01/prets-hypothecaires-a-libor-negatif-bns-special/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://rmgroup.com/2017/08/01/prets-hypothecaires-a-libor-negatif-bns-special/>