<http://schema.org/description>
"Over the past few days there have been reports from Webmasters that changing the crawl rate in Google Webmaster Tools has prevented Google from indexing their Sitemap files.A Google Webmaster Help thr"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-sitemaps-crawl-rate-13326.html>