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From Mathieu Lecarme <>
Subject Re: Error tolerant text search with Lucene?
Date Fri, 04 Apr 2008 12:43:38 GMT
Marjan Celikik a écrit :
> Mathieu Lecarme wrote:
>> You have to iterate over your query, if it's a BooleanQuery, keep it, 
>> if it's a TermQuery, replace it with a BooleanQuery with all variants 
>> of the Term with Occur.SHOULD
>> M.
> Thanks.. however I don't fully understand what do you mean by "iterate 
> over your query". I would like a conceptual answer how is this done 
> with Lucene, not a technical one..
Your query is a tree, with BooleanQuery as branch and other query as 
leaf. If you wont to transforma query in "tolerant query", you have to 
change Term query (the leaf), with a "OR"  branch with variant term as leaf.

To find variant of a term, you have to used a list of your Term and 
apply a filter to its to group them. Common filter for that are 
stemming, ngram+levenstein distance, phonetic ...


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