<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SearchAction>
<http://www.biobiochile.cl/noticias/2015/10/09/el-banch-y-el-coro-sinfonico-de-la-universidad-de-chile-celebran-su-70-aniversario.shtml>