<http://schema.org/datePublished>
"2009-06-18T16:29:29+0200"^^<http://schema.org/Date>
<http://www.lemonde.fr/planete/article/2009/06/18/antennes-relais-et-wi-fi-la-conference-parisienne-preconise-la-prudence_1208554_3244.html>