<http://schema.org/headline>
"D\u00E9j\u00E0 en 1858, la Gr\u00E8ce\u2026"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.agefi.fr/asset-management/actualites/hebdo/20151210/deja-en-1858-grece-146980>