【摘要】 提出了一种基于主题句发现的中文自动文摘方法。该方法使用术语代替传统的词语作为最小语义单位,采用术语长度术语频率方法进行术语权重计算,获得特征词。利用一种改进的k-means聚类算法进行句子聚类,根据聚类结果进行主题句发现。实验表明,该算法所得到的文摘,在各项指标上优于传统的文摘。更多还原

【Abstract】 Automatic summarization is one of main research fields in natural language processing.This paper proposes a special Chinese automatic summarization method based on discovering thematic sentences,which uses terms as minimal semantic unit rather than word,and employs term length term frequency(TLTF) to compute weight of term to obtain feature.It uses an improved k-means method to cluster sentences,and discovers thematic sentences according to clustering results.Experimental results indicate a clear superiority of the proposed method over the traditional method under the proposed evaluation scheme.更多还原