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From Marvin Humphrey <>
Subject Re: Lucene 1.9 RC1 release available
Date Tue, 21 Feb 2006 23:29:51 GMT

Is there a reason you wouldn't use a stemming analyzer of some kind,  
which would match cat and cats but not cater, catches, etc?

Marvin Humphrey
Rectangular Research

On Feb 21, 2006, at 3:13 PM, Terry Steichen wrote:

> No, I don't think that the riot* option would work for many  
> queries.  Let's take a simple case where you want a singular or  
> plural form, like either cat or cats (which would be very common).   
> With 1.4.x, you can use cat? to retrieve such matches.  With the  
> new change, you need to use (cat cats) or (cat cat?).  If you use  
> cat*, you'll get a million matches you don't want (cater, catches,  
> catwoman, category, catatonic, cataclysm, catamount, etc.).  Or,  
> take a case where you want to retrieve terms like elder, elderly,  
> elders but do not want things like elderberry, elderdice.  Or you  
> want gun or guns, but not gunmen, gunshots, gunfire, gunpoint,  
> gunston, etc.

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