Text classification methods based on Key words are not known for their classification precision, this is due to the existence of synonyms and polysemes.
由于同义词和多义词的存在，使得基于特征词的文本分类方法分类精度不高。
Naive Bayes classification is a kind of simple and effective classification model. However, the performance of this model may be poor due to the assumption on the condition independence.
朴素贝叶斯分类是一种简单而高效的分类模型，然而条件独立性假设在现实中很少出现，致使其性能有所下降。
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