词义消歧WordNet

2024-04-20 14:29:38 发布

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我正在做我的大学项目,我正在实现LESK算法。 到现在为止,一直都还不错。对于在Wordnet中具有语法集的单词,它可以正常工作

我想做的是使用semcor语料库(我已经下载)

代码如下:

def overlap_context(synset, sentence):
  gloss = set(WordPunctTokenizer().tokenize(synset.definition()))
  for example in synset.examples():
    gloss.union(example)
  gloss = gloss.difference(stopwords)
  if isinstance(sentence, str):
    sentence = set(sentence.split(" "))
  elif isinstance(sentence, list):
    sentence = set(sentence)
  elif isinstance(sentence, set):
    pass
  sentence = sentence.difference(stopwords)
  return len(gloss.intersection(sentence))

def lesk_algorithm(word, sentence):
  best_sense = None
  max_overlap = 0.0
  word = wn.morphy(word) if wn.morphy(word) is not None else word
  for sense in wn.synsets(word):
    overlap = overlap_context(sense, sentence)
    for height in sense.hyponyms():
        overlap = overlap + overlap_context(height, sentence)
    if overlap > max_overlap:
        max_overlap = overlap
        best_sense = sense
  return best_sense

我已经编写了代码,只要我手动传递单词和句子,它就会工作。。 既然我在使用nltk的SemCor语料库,我怎么能使用该语料库中的50个句子呢