<http://schema.org/headline>
"La p\u00E9tition r\u00E9colte 150 000 signatures"^^<http://www.w3.org/2001/XMLSchema#string>
<http://quebec.huffingtonpost.ca/2012/05/19/ptition-78-signatures_n_1530300.html?1337472259=&ncid=edlinkusaolp00000008>