Hi Jay,
I did not do a timing comparison either, but any change in performance after 
switching to Kstem was not noticeable.  Cheers... h

-----Original Message-----
From: Jay [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, April 22, 2008 12:26 PM
To: solr-user@lucene.apache.org
Subject: Re: better stemming engine than Porter?

Hi Wagner,

Thanks for the intro of KStem! I quickly scanned the original paper on 
KStem by Robert Krovetz but could not find any timing comparison data on
KStem and Porter stem. I wonder how slow/fast Kstem is compared to 
Porter stem based on your use in your application?

Jay

Wagner,Harry wrote:
> Mathieu,
> It's not my Kstem. It was written by someone at Umass, Amherst. More info 
> here: 
> http://ciir.cs.umass.edu/cgi-bin/downloads/downloads.cgi 
> 
> Someone else had already ported it to Lucene. I simply modified that wrapper 
> to work with Solr. I'll open an issue for it so that it can (hopefully) be 
> integrated into the project.
> 
> Cheers... harry
> 
> -----Original Message-----
> From: Mathieu Lecarme [mailto:[EMAIL PROTECTED] 
> Sent: Tuesday, April 22, 2008 3:57 AM
> To: solr-user@lucene.apache.org
> Subject: Re: better stemming engine than Porter?
> 
> Porter stemmer is not only agressive, it is ugly, too. The generated 
> code is too old, too  few object centric and should be too slow.
> If your kstem compile with java 1.4, why don't you suggest it to lucene 
> core?
> 
> M.
> 
> Wagner,Harry a écrit :
>> Hi HH,
>> Here's a note I sent Solr-dev a while back:
>>
>> ---
>> I've implemented a Solr plug-in that wraps KStem for Solr use (someone
>> else had already written a Lucene wrapper for it).  KStem is considered
>> to be more appropriate for library usage since it is much less
>> aggressive than Porter (i.e., searches for organization do NOT match on
>> organ!). If there is any interest in feeding this back into Solr I would
>> be happy to contribute it.
>> ---
>>
>> I believe there was interest in it, but I never opened an issue for it
>> and I don't know if it was ever followed-up on. I'd be happy to do that
>> now. Can someone on the Solr-dev team point me in the right direction
>> for opening an issue?
>>
>> Thanks... harry
>>
>>
>> -----Original Message-----
>> From: Hung Huynh [mailto:[EMAIL PROTECTED] 
>> Sent: Monday, April 21, 2008 11:59 AM
>> To: solr-user@lucene.apache.org
>> Subject: better stemming engine than Porter?
>>
>> I recall I've read some where in one of the mailing-list archives that
>> some
>> one had developed a better stemming algo for Solr than the built-in
>> Porter
>> stemming. Does anyone have link to that stemming module? 
>>
>> Thanks,
>>
>> HH 
>>
>>
>>
>>
>>   
> 
> 
> 


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