<http://schema.org/description>
"For those of you who are trying to get to the page about Google Sitemaps you might want to try back later. Currently it is serving up a 502 Server Error, reason being is a simple mentioning over at Sl"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/002037.html>