<http://schema.org/target>
"https://www.sitepoint.com/community/search?q={search_term_string}"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.sitepoint.com/community/t/not-found-the-requested-url-holding-page-php-was-not-found-on-this-server/63740>