[Snowball-discuss] Is incomplete stemming reduction normal?

Vladimir transient2009 at ngs.ru
Sun Dec 18 16:20:08 GMT 2011


Martin, thank you for the answer!

For the practice (of using snowball stemmer) it's quite 
enough, but for the theory -- why may the stemmer reduce 
an original word after second stemming and, perhaps, after 
other steps? But, it seems I need to study stemming 
algorithm deeply first...


On Tue, 13 Dec 2011 22:56:49 +0000
  Martin Porter <martin.f.porter at gmail.com> wrote:
> Vladimir,
> 
> I am not sure that I fully understand you, but I think 
>the point you
> are making is that the porter stemmer stems
> 
> enterprise to enterpris
> 
> and it stems
> 
> enterpris to enterpri
> 
> and it seems odd that it does not stem enterprise to 
>enterpri. But
> this is correct. It is a mistake to put the result of 
>the stemming
> process back through the stemmer as a second step. 
>Ignore the fact
> that the result of stemming is a string that would be 
>further reduced
> in length by stemming it a second time. Does that answer 
>your
> question?
> 
> Martin




More information about the Snowball-discuss mailing list