title: How does Facebook search work?
body: <p>More specifically, what factors determine the priorities they assign in response to a given query?  I'm looking for answers that address numerous scenarios including queries that... </p>
  
  <ol>
  <li><p>Specify the "type" of result (objects such as users, posts, pages, etc. or connections like friendships, likes, tags, etc.), </p></li>
  <li><p>Have <a href="https://developers.facebook.com/docs/reference/api/#auth" rel="nofollow">authentication tokens</a> as well as ones that don't.</p></li>
  <li><p>Have conditionals such as "since" and "until."</p></li>
  <li><p>Don't even specify a type, such as this search for the word <a href="https://graph.facebook.com/search?q=QUERY" rel="nofollow">query</a>.</p></li>
  </ol>