NLTK :: Natural Language Toolkit
Natural Language Toolkit NLTK is a leading platform for building Python programs to work with human language data. It provides easy-to-use interfaces to over 50 corpora and lexical resources such as WordNet, along with a suite of text processing libraries
www.nltk.org
NLTK(Natural Language Toolkit)
NLTK 는 Python 프로그래밍 언어로 작성된 영어의 기호 및 통계 자연어 처리 (NLP)용 라이브러리 및 프로그램 모음이다.
PoS tagging(Parts of Speech Tagging)
NLTK 라이브러리를 설치후 nltk.pos_tag를 사용하면 토큰화된 문장 속 모든 단어들의 '품사(Parts of speech)'를 표시한 리스트를 변수에 담을 수 있다. 이때 각 품사들은 약칭을 사용하는데 그 약칭은 다음과 같다.
POS tag list:
CC coordinating conjunction
CD cardinal digit
DT determiner
EX existential there (like: "there is" ... think of it like "there exists")
FW foreign word
IN preposition/subordinating conjunction
JJ adjective 'big'
JJR adjective, comparative 'bigger'
JJS adjective, superlative 'biggest'
LS list marker 1)
MD modal could, will
NN noun, singular 'desk'
NNS noun plural 'desks'
NNP proper noun, singular 'Harrison'
NNPS proper noun, plural 'Americans'
PDT predeterminer 'all the kids'
POS possessive ending parent's
PRP personal pronoun I, he, she
PRP$ possessive pronoun my, his, hers
RB adverb very, silently,
RBR adverb, comparative better
RBS adverb, superlative best
RP particle give up
TO to go 'to' the store.
UH interjection errrrrrrrm
VB verb, base form take
VBD verb, past tense took
VBG verb, gerund/present participle taking
VBN verb, past participle taken
VBP verb, sing. present, non-3d take
VBZ verb, 3rd person sing. present takes
WDT wh-determiner which
WP wh-pronoun who, what
WP$ possessive wh-pronoun whose
WRB wh-abverb where, when반응형
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