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From "Michael Stoppelman" <>
Subject Re: Boosting using an external data source
Date Tue, 05 Feb 2008 00:06:00 GMT
If anyone was wondering how I dealt with this I ended up extending the
TermQuery class and overridding the tf() and idf() functions
like in FuzzyLikeThisQuery.

See FuzzyTermQuery for how they use the SimilarityDelegator object:


On Feb 3, 2008 8:21 PM, Michael Stoppelman <> wrote:

> I've created a mapping of query terms to clusters with corresponding
> strength values that I want to integrate into lucene
> scoring so I can boost documents that match the clusters. I would like to
> give a boost based on the normalized score.
> In my setup, each document has a field with the clusters their assigned to
> which is a string that contains numbers
> separated by spaces. I was looking at using ValueSourceQuery but didn't
> really understand how I should really deal
> with the FieldScoreQuery since the field I need to look up on isn't one of
> the defined types. Is there a simpler way I
> should be going about this?
> I'm using lucene 2.2.0.
> Thanks for your help as always,
> M

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