<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SearchAction>
<http://www.codingforums.com/forum-feedback-and-announcements/282997-full-page-ad-cf-no-not-good-thing-2.html?s=c2fbcc278779f691e3872f7ca09c8ea7>