cluster the speech texts and obtain similar text sets. Then, an improved TextRank algorithm is used to extract a multi …-document summarization is based on TextRank, which takes into account the position of sentences in paragraphs, the weight of the key sentence …

As a typical unsupervised learning method, the TextRank algorithm performs well for large-scale text mining, especially … for automatic summarization or keyword extraction. However, TextRank only considers the similarities between sentences in … shortcomings, the authors propose an improved highly-scalable method, called iTextRank. When building a TextRank graph in their new …