<http://schema.org/description>
"Every now and then I see a thread in the discussion forums come up talking about a patent being awarded to Google.   The most recent is a thread at Black Hat World where the SEO tells webmasters to ke"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-patent-search-algorithm-17761.html>