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Also I heard recently that google is making the search results adaptive
based on user using some heuristics - probably domain or something..??
In short, I heard that if I search for the key words "w1 w2 ..." and
someone else searches for the same set of key words, google might give
different ranked results - in other words, user perceives the results
ranking as non-deterministic.
I am not sure if that is true actually.. can someone confirm this??
Google uses lot of proprietary heuristics for fine-tuning the search
results ranking, such as tf-idf (which is greater weight to a term that
occurs infrequently) which is well known in literature etc...
anyways, best, murali.
On Mon, 8 Dec 2003, Michael Kay wrote:
> > That is why I wondered if it picked up on the topic
> > word or phrase. That is likely what they are after.
> > The other words are qualifiers, at least, that is
> > how I use it. I was questioning the Google strategy
> > because I realized I have a mental model of how it
> > works, and that is how I select and enter search
> > terms. It is probably not the right mental model
> > but the interface doesn't make it clear, and as a
> > result, its filtering strategy is opaque. The user
> > does the best they can.
>
> Most modern search engines give greater weight to a term the more
> infrequent it is in the corpus. Most also weight terms according to
> where and how often they appear in the source document, and some also
> recognize when adjacent words in the query constitute a noun phrase.
> What google does is anyone's guess.
>
> Michael Kay
>
>
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