<http://schema.org/datePublished>
"2011-12-07T21:08:58+0100"^^<http://schema.org/Date>
<http://www.lemonde.fr/economie/article/2011/12/07/le-ce-d-edf-et-gdf-suez-va-perdre-42-millions-d-euros-en-2011_1614576_3234.html>