Extractive Multi-document Summarization using K-means, Centroid-based Method, MMR, and Sentence Position

Abstract

Multi-document summarization is more challenge than single-document summarization since it has to solve the problem of overlapping information among sentences from different documents. Also, since multi-document summarization dataset is rare, methods based on deep learning are difficult to be applied. In this paper, we propose an approach to multi-document summarization based on k-means clustering algorithm, combining with centroid-based method, maximal marginal relevance and sentence positions. This approach is efficient in finding salient sentences and preventing overlapping between sentences. Experiments using DUC 2007 dataset show that our system is more efficient than other researches in this field.