_:n9b4d349b5e0d4dbd817be38ed3c88fc3xb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SearchAction>
<https://www.ruby-forum.com/t/newbie-question-how-can-i-access-the-referer/55857>