<http://schema.org/description>
"Since 2008, Google has been using previous query to refine and personalize the search results a user may see.  It is nothing new and a smart and detailed searcher might take notice when it happens.Whe"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-previous-search-15924.html>