[Snowball-discuss] Norwegian stemmer question

[Martin Porter]

Blake,

Have you received a reply to your query? I'm afraid it has been in my spam
folder since July 26, and I have only just noticed it.

Like you I'm puzzled, but not in quite the same way. The rule for -ers goes

(*i*) *giv   hav   skap* delete *ers* suffix (*ii*) *amm   ast   ind   kap
  kk   lt   nk   omm   pp   v   øst* do nothing (*iii*) if none of these
suffixes are present delete *ers* suffix (If I've understood correctly) the
tests in (i) seem to be irrelevant, since ers will get deleted anyway by
(iii). 'none' in (iii) must refer to the list in (ii). balders -> bald by
(iii). The snowball code reflects this exactly but 'giv' 'hap' 'skap' seem
again to be irrelevant.

All this is a development from my original Norwegian stemmer at
http://snowball.tartarus.org/algorithms/norwegian/stemmer.html , presumably
to get a more delicate test for removal of -ers.
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