<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.obu.edu/?post_action%5Baccount_id%5D=1487881&post_action%5Baction%5D=join&post_action%5Bredirect%5D=%2Fobu>