<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.genengnews.com/Login.aspx?ReturnURL=%2Fgen-news-highlights%2Fmerck-co-returns-rights-to-mid-stage-anticancer-agent-to-aveo%2F81244009%2F%3Fkwrd%3DSchering-Plough>