[Snowball-discuss] German Stemmer

[Martin Porter]

>The German words "Papiere" and "Papieres" do not stem to the same 
>root "papiere" as I thought they would. Is there some reason for this? As 
>I am a programmer and not a linguist I am at a loss.
>
>TIA
>
>Gary Davidson


Gary,

No, they don't stem to papiere, but they do stem to the same form (papi),
which means that they are conflated by the stemming process.

Stemming is not exact in the way you seem to expect - see the introductory
document on the snowball site -

http://snowball.tartarus.org/texts/introduction.html

Martin