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From Doron Cohen <>
Subject Re: Classifieds rotation - weighting Lucene results by previous show frequency?
Date Tue, 08 Aug 2006 02:24:15 GMT
If the 'small classifieds index' is sufficiently small to be re-indexed
every night, I think this would be a simple solution - just set the
document boosts according to these statistics - i.e. boost more down docs
of classifieds that were shown more yesterday -

- Doron

"Chun Wei Ho" <> wrote on 07/08/2006 19:01:05:

> We are starting to run a small index of classifieds alongside our main
> search items. The classifieds are also in a lucene index. We show
> classifieds that match the user's search criteria, which means we do a
> lucene search on that index and show the top few results. We also keep
> track of the number of times each classified is shown.
> However, we would like to start some form of classified rotation by
> weighting the results (weight down if that particular classified has
> been shown regularly in the past day, for example). The classified
> show statistics are stored in a database.
> Does anyone here have any experience doing this that they can share,
> or some idea as to how this can be best implemented with lucene?
> Thanks in advance :)
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