<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ImageObject>
<http://www.lemonde.fr/culture/article/2013/09/06/visa-pour-l-image-les-papis-de-la-photo-de-guerre-font-de-la-resistance_3472201_3246.html>