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Applying Weights to Search Terms

3:39 am on Jun 17, 2009 (gmt 0)

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I want to be able to do searches with keywords that have weights, and then find the highest ranked result.

This differs from a typical search which requires that the exact terms appear (or stems of those words).

For instance, I'd like to be able to tell Google that I'm looking for pages with
-keyword A: weight 10
-keyword B: weight 1
-keyword C: weight -5

So Google would give keyword A ten times the weight of keyword B. Keyword C would be a negative factor (ex. 1 occurence of keyword C would cancel out 5 occurences of keyword B).

Is this possible with Google? Or another search engine?

Note: I actually have 100 keywords that I want to assign weights. I've developed a statistical model (using logistic regression) for predicting whether a webpage refers to an event. And instead of spidering several thousand websites, I'm hoping to use the existing google index.

4:16 am on June 17, 2009 (gmt 0)

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WebmasterWorld Senior Member tedster is a WebmasterWorld Top Contributor of All Time 10+ Year Member

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Interesting idea - but I don't know of any search engine that offers that kind functionality.
4:25 am on June 17, 2009 (gmt 0)

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joined:Jan 1, 2004
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It looks like Google customized search has some of it.

Though when I tried out google customized search it seemed not as effective as regular google search, and it is limited to 5000 websites.