<http://schema.org/target>
"http://forum.videohelp.com/searchforum?siteurl=forum.videohelp.com&amp;q={search_term_string}"^^<http://www.w3.org/2001/XMLSchema#string>
<http://forum.videohelp.com/threads/286856-Do-you-still-send-letters-in-this-age-of-email-and-texting>