<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SearchAction>
<http://www.tradingunited.es/foro/estrategias-de-trading/10904-sistema-de-trading-de-noticias-de-forex4inv-23.html?s=2753db787c784e2b4110fbcdd2f70841>