<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cronista.com/negocios/Sandra-Yachelini-La-exportacion-argentina-de-software-ya-es-la-mayor-de-Latinoamerica-20110912-0009.html>