Experiences with Stem (German)

arminmaniaarminmania Member Posts: 7 Contributor II
edited November 2018 in Help
Hi everybody,

I'm doing some text mining and wonder if anyone can tell me about his experiences with the German Stemming opoerator ("A Fast and Simple Stemming Algorithm for German Words" by Jörg Caumanns.)

Do you use this stemming operator? If not, what else do you do?

THX and greetings
arminmania

Answers

  • radoneradone RapidMiner Certified Expert, Member Posts: 74 Guru
    Hello arminmania,

    Several stemmers in RM is quite simple and imperfect.
    For the purpose of advanced stemmer design I suggest you to use the SnowBall http://snowball.tartarus.org/download.php language

    There is also already a german version available: http://snowball.tartarus.org/algorithms/german/stemmer.html

    radone
  • IngoRMIngoRM Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert, Community Manager, RMResearcher, Member, University Professor Posts: 1,751 RM Founder
    Hello,

    right the Snowball stemmer is (at least sometimes)  a good alternative. For that reason it is also included in RapidMiner  ;)

    Just use the operator "Stem (Snowball)".

    Cheers,
    Ingo
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