>>For example, the RPC made by its
> rewrite() 
> implementation could also return the docFreq() of
> each term in the 
> rewritten query

I haven't been following the remoting conversation in
detail bit this may be relevant:
Using the associated docFreq of each expanded term is
not particularly beneficial eg this favours the
mis-spellings when performing a fuzzy query. Better to
share a single (lowest?) docFreq for all expanded
terms. Also, the scoring contribution of expanded
terms is typically negligible anyway when combined
with normal terms because of the coord factor
currently used in the expanded term's BooleanQuery.

I posted a patch for both these issues here:

http://issues.apache.org/bugzilla/show_bug.cgi?id=32942




        
        
                
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