<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.codingforums.com/large-projects-new-web-application-complex-features-etc-/288169-social-network-chess.html?s=47d5bbb5f295c4acc13743ac021cd985>