Overview
Stemming conflates words, so that different forms of the same basic word can be matched by an IR system.
example:
previous, previously -> previou
Stemmers
Snowball provides stemmers in many languages
English
Porters Stemmer for English
Implemented in Terrier
Snowball English Stemmer
KStem
![[WWW]](/wikis/modern/img/moin-www.png){kind=small}
http://ciir.cs.umass.edu/pubfiles/ir-35.pdf http://ciir.cs.umass.edu/cgi-bin/downloads/downloads.cgi
Hungarian
Hunmorph/Hunstem/Hunspell
http://magyarispell.sourceforge.net/
Jaques Savoy
http://www.unine.ch/info/clef/hungarianStemmer.txt