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language-engineering/gist:3945658

Created October 24, 2012 11:47
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gistfile1.py
from nltk.util import bigrams, trigrams
example_tagged_words = [('The', 'DT'), ('little', 'JJ'), ('badgers', 'NNS'), ('ate', 'VBP'), ('some', 'DT'), ('jam', 'NN')]
bi_grams = bigrams(example_tagged_words)
tri_grams = trigrams(example_tagged_words)
#You can even use "extract_by_pos" and "untag_sequence" on bigrams and trigrams
bigram_regex = [("J+","N+")] #Pattern: all adjectives followed by nouns
print untag_sequence(extract_by_pos(bi_grams,bigram_regex))
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