<http://schema.org/description>
"I'll start by saying that this is not a case study.  There is a WebmasterWorld thread that asks, how long does it take to re-obtain the old rankings one had, prior to receiving a Google penalty, and t"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/018637.html>