<http://schema.org/headline>
"De nouvelles esp\u00E8ces d'oiseaux pr\u00E9historiques d\u00E9couvertes  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://quebec.huffingtonpost.ca/2012/04/18/oiseaux-prehistoriques-saskatchewan_n_1434938.html>