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From Erik Hatcher <>
Subject Re: Post-sorted inverted index?
Date Tue, 20 Jul 2004 12:44:10 GMT
On Jul 20, 2004, at 1:27 AM, Aphinyanaphongs, Yindalon wrote:
> I gather from reading the documentation that the scores for each 
> document hit are computed at query time.  I have an application that, 
> due to the complexity of the function, cannot compute scores at query 
> time.  Would it be possible for me to store the documents in 
> pre-sorted order in the inverted index? (i.e. after the initial index 
> is created, to have a post processing step to sort and reindex the 
> final documents).
> For example:
> Document A - score 0.2
> Document B - score 0.4
> Document C - score 0.6
> Thus for the word 'the', the stored order in the index would be C,B,A.

Lucene 1.4 includes a Sort facility - look at the additional methods for details.  By default, if the scores 
computed are identical, the results are then ordered by document id, 
which is the insertion order.

I hope this helps.


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