Could we leverage search referer queries as metadata on pages as a way of improving natural language queries on our own site?

compare

https://www.google.com/?gws_rd=ssl#q=who+is+albert+einstein

to

https://en.wikipedia.org/w/index.php?search=who+is+albert+einstein%3F&title=Special%3ASearch&go=Go

If "who is albert einstein?" as metadata could be stored on the article for albert einstein so that it that natural language search query would result in albert einstein being the top result.