<http://schema.org/keywords>
"gr\u00E8ve \u00E9tudiante"^^<http://www.w3.org/2001/XMLSchema#string>
<http://quebec.huffingtonpost.ca/2012/05/31/impasse-dans-les-ngos-sel_n_1559622.html?1338499230&ref=canada-quebec&ref=canada-quebec>