<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.genengnews.com/gen-news-highlights/merck-co-to-pony-up-41-4b-for-schering-plough/50856887/?kwrd=Schering-Plough>