Kind of : their suggestions are based on users queries with some filtering.
You can have a little read there :
http://www.google.com/support/websearch/bin/answer.py?hl=en&answer=106230

They perform "little" filtering to remove offending content such as
"hate speech, violence and pornography" (quoting the page).
You can also have a look at this slideshow :
http://www.slideshare.net/sturlese/use-ofsolrattrovitclassifiedads-marcsturlese
.

You'll see how they build their suggest service using a dedicated solr instance.

Hope this helps ;-)

--
Tanguy

2010/12/8 Anurag <anurag.it.jo...@gmail.com>:
>
> How Google selects the autosuggest terms? Is that Google uses "Userrs
> Queries" from Log files to suggest only those terms?
>
> -----
> Kumar Anurag
>
> --
> View this message in context: 
> http://lucene.472066.n3.nabble.com/Autosuggest-terms-which-GOOGLE-uses-tp2039078p2039078.html
> Sent from the Solr - User mailing list archive at Nabble.com.
>

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