nltk.stem.snowball.GermanStemmer

class documentation

class GermanStemmer(_StandardStemmer): (source)

Constructor: GermanStemmer(ignore_stopwords)

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The German Snowball stemmer.

Note
A detailed description of the German stemming algorithm can be found under http://snowball.tartarus.org/algorithms/german/stemmer.html
Method stem Stem a German word and return the stemmed form.
Class Variable __s_ending Letters that may directly appear before a word final 's'.
Class Variable __st_ending Letter that may directly appear before a word final 'st'.
Class Variable __step1_suffixes Suffixes to be deleted in step 1 of the algorithm.
Class Variable __step2_suffixes Suffixes to be deleted in step 2 of the algorithm.
Class Variable __step3_suffixes Suffixes to be deleted in step 3 of the algorithm.
Class Variable __vowels The German vowels.

Inherited from _StandardStemmer:

Method _r1r2_standard Return the standard interpretations of the string regions R1 and R2.
Method _rv_standard Return the standard interpretation of the string region RV.

Inherited from _LanguageSpecificStemmer (via _StandardStemmer):

Method __init__ Undocumented
Method __repr__ Print out the string representation of the respective class.
Instance Variable stopwords Undocumented
def stem(self, word): (source)
overrides nltk.stem.api.StemmerI.stem

Stem a German word and return the stemmed form.

Parameters
word:str or unicodeThe word that is stemmed.
Returns
unicodeThe stemmed form.
__s_ending: unicode = (source)

Letters that may directly appear before a word final 's'.

__st_ending: unicode = (source)

Letter that may directly appear before a word final 'st'.

__step1_suffixes: tuple = (source)

Suffixes to be deleted in step 1 of the algorithm.

__step2_suffixes: tuple = (source)

Suffixes to be deleted in step 2 of the algorithm.

__step3_suffixes: tuple = (source)

Suffixes to be deleted in step 3 of the algorithm.

__vowels: unicode = (source)

The German vowels.