PowerPoint Presentation 空间进行主题划分,也不需要预先定义好主题类别的层次结构。 KNN问题扩展(1) 特征选择 (1)问题疑问词(Question Type,QT),主要是诸如“who”、“how”、“when”、“what”、 “what time”等疑问词。
基于4个网页-相关网页
PowerPoint Presentation 空间进行主题划分,也不需要预先定义好主题类别的层次结构。 KNN问题扩展(1) 特征选择 (1)问题疑问词(Question Type,QT),主要是诸如“who”、“how”、“when”、“what”、 “what time”等疑问词。
基于2个网页-相关网页
以问题的疑问词、句法结构、疑问意向词、疑问意向词在知网中的首义原作为分类特征。
We choose the interrogative words, syntax structure, question focus words and its first sememes as classification feature.
该方法以问题的疑问词、句法结构、疑问意向词、疑问意向词在知网中的首义原作为分类特征。
We choose the interrogative words , syntax structure , question focus words and their first sememes as classification feature.
本文采用贝叶斯分类器,提取问句主干以及包含疑问词的分支作为特征进行问题分类。
Then we employ Bayesian classifier to classify these questions. Answer extraction is the most crucial part for question answering system.
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