<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hiphopstan.com/forum/stan/10086-jay-z-make-cameo-drakes-best-i-ever-had-video-news-stan-feed.html?s=20352af66aabea061dbf9c68f563f6b7>