<http://schema.org/dateCreated>
"2015-01-31T21:26:57+0100"^^<http://schema.org/Date>
<http://www.lemonde.fr/international/article/2015/01/31/le-groupe-etat-islamique-revendique-le-meurtre-du-second-otage-japonais_4567540_3210.html>