<http://schema.org/keywords>
"playstation-3-slim"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.techtudo.com.br/dicas-e-tutoriais/noticia/2013/11/nba-2k14-confira-dicas-para-dominar-o-novo-jogo-da-serie-de-basquete.html>