<http://schema.org/description>
"Google has officially confirmed on Twitter that they pushed out a refresh of the Panda update.  This one would be labelled version 3.8.  It was only a refresh, meaning, Google did not make any algorit"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-panda-3-8-15350.html>