【490】Stanford POS tagger 实现及相关含义

参考：Stanford PoS Tagger: tagging from Python

参考：NLTK Part of Speech Tagging Tutorial

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# running the Stanford POS Tagger from NLTK    import nltk from nltk import word_tokenize from nltk import StanfordTagger    text_tok = nltk.word_tokenize("Just a small snippet of text.")    # print(text_tok) pos_tagged = nltk.pos_tag(text_tok)    # print the list of tuples: (word,word_class) print(pos_tagged)    # for loop to extract the elements of the tuples in the pos_tagged list # print the word and the pos_tag with the underscore as a delimiter for word,word_class in pos_tagged:     print(word + "_" + word_class)

　　解释 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, when