³ò
4ÒÇIc           @   sî   d  Z  d d k Td d k Td d k Td d k Td d k Td d k Td d d d d d d	 g Z d d
 k l	 Z	 d e
 e	 f d „  ƒ  YZ d e e	 f d „  ƒ  YZ d e e	 f d „  ƒ  YZ d e e	 f d „  ƒ  YZ d e e	 f d „  ƒ  YZ d S(   sò  
Interfaces used to remove morphological affixes from words, leaving
only the word stem.  Stemming algorithms aim to remove those affixes
required for eg. grammatical role, tense, derivational morphology
leaving only the stem of the word.  This is a difficult problem due to
irregular words (eg. common verbs in English), complicated
morphological rules, and part-of-speech and sense ambiguities
(eg. C{ceil-} is not the stem of C{ceiling}).

C{StemmerI} defines a standard interface for stemmers.
iÿÿÿÿ(   t   *t   StemmerIt   RegexpStemmert   PorterStemmert   LancasterStemmert   RSLPStemmert   WordNetLemmatizert   WordnetStemmer(   t
   Deprecatedt   StemIc           B   s   e  Z d  Z RS(   s   Use nltk.StemmerI instead.(   t   __name__t
   __module__t   __doc__(    (    (    s(   /p/zhu/06/nlp/nltk/nltk/stem/__init__.pyR	   *   s   t   Regexpc           B   s   e  Z d  Z RS(   s   Use nltk.RegexpStemmer instead.(   R
   R   R   (    (    (    s(   /p/zhu/06/nlp/nltk/nltk/stem/__init__.pyR   ,   s   t   Porterc           B   s   e  Z d  Z RS(   s   Use nltk.PorterStemmer instead.(   R
   R   R   (    (    (    s(   /p/zhu/06/nlp/nltk/nltk/stem/__init__.pyR   .   s   t	   Lancasterc           B   s   e  Z d  Z RS(   s"   Use nltk.LancasterStemmer instead.(   R
   R   R   (    (    (    s(   /p/zhu/06/nlp/nltk/nltk/stem/__init__.pyR   0   s   t   Wordnetc           B   s   e  Z d  Z RS(   s#   Use nltk.WordNetLemmatizer instead.(   R
   R   R   (    (    (    s(   /p/zhu/06/nlp/nltk/nltk/stem/__init__.pyR   2   s   N(   R   t   apit   regexpt   portert	   lancastert   wordnett   rslpt   __all__t   nltk.internalsR   R   R	   R   R   R   R   R   R   t   WordNetStemmerR   (    (    (    s(   /p/zhu/06/nlp/nltk/nltk/stem/__init__.pys   <module>   s   
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