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From Mike Cawson <>
Subject Scoring problem with MultiPhraseQuery?
Date Thu, 16 Dec 2010 01:56:28 GMT
I'm using MultiPhraseQuery to implement a fuzzy phrase query.

E.g. user enters "blue lorry" and I expand 'blue' to 'turquoise', and 'glue' and 

'lorry' to 'truck', 'van', 'lory' and 'lorrie'. I can then construct a 
MultiPhraseQuery with those lists of terms.

The search works correctly but the score is always the total number of terms (N) 

that I put into the MultiPhraseQuery (N=8 in this example)!

I've tried using a boost of 1/N but the boost appears to be ignored.

I can't think of a reason why this should be intentional beheviour so I assume 
there's a bug.

I'm using Lucene 3.0.

Mike Cawson


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