Question classification oriented Chinese Framenet feature selection

For feature selection of the classification in Restricted-domain Question Answering System, Chinese Net framework full advantage of this Chinese characteristics in terms of semantic expression, this paper presents feature selection called strong class information words (SCIW). First, selecting five kinds of Chinese Framenet features, and using SCIW to select features. According to each category´s classification precision of features, sorts them. Through the experiment of the combination of the features, we select the combination of features. It improved the accuracy of classification, reaching the feature reduction.