<http://schema.org/keywords>
"post_type: article"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bonappetit.com/entertaining-style/trends-news/article/an-epic-chicken-wing-heist-how-juice-cleanses-really-affect-you-czech-republic-trying-to-make-water-cheaper-than-beer>