There are eight features used to form the feature vector for each sentence , and the summarizer is gained by machine learning algorithms , so automatic summarization is changed into classification task 用這些特征構(gòu)成句子向量表示,并用機器學(xué)習(xí)的方法對其進行訓(xùn)練得到摘要器,從而把自動文摘轉(zhuǎn)換為分類問題。