<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.lifehack.org/articles/technology/add-twitter-search-to-google-chrome-extension.html/attachment/20-excel-spreadsheet-secrets-youll-never-know-you-dont-read-this.html/>