<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Periodical>
<http://www.latribune.fr/green-business/l-actualite/20120215trib000683208/la-poste-va-investir-12-millions-d-euros-par-an-dans-des-projets-environnementaux.html>