<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mightyrabbitstudios.com/?Politicas-del-Bosque--Expertos--Politicos-y-Ciudadanos-En-La-Polemica-del-Eucalipto-En-Asturias.pdf>