31 dec 2009 kl. 17.43 skrev Simon Willnauer:

what is the essential difference between the existing and LUCENE-1515 stemmer?

1515 handles genitive case suffices better. An example:

klocka (a clock)
klockan (the clock)
klockans (the [insert noun] of the clock)
klockornas (the [insert noun] of the clocks)

Using snowball SwedishStemmer:

klocka -> klock
klockan -> klock
klockans  -> klockans
klockornas -> klockornas


     karl



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