Discursive sentence compression

Authors:
Alejandro Molina;Juan-Manuel Torres-Moreno;Eric SanJuan;Iria da Cunha;Gerardo Eugenio Sierra Martínez
Affiliations:
LIA, Université d'Avignon, France;LIA, Université d'Avignon, France;LIA, Université d'Avignon, France;IULA, Universitat Pompeu Fabra, Spain;GIL, Instituto de Ingeniería UNAM, Spain
Venue:
CICLing'13 Proceedings of the 14th international conference on Computational Linguistics and Intelligent Text Processing - Volume 2
Year:
2013

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Abstract

This paper presents a method for automatic summarization by deleting intra-sentence discourse segments. First, each sentence is divided into elementary discourse units and, then, less informative segments are deleted. To analyze the results, we have set up an annotation campaign, thanks to which we have found interesting aspects regarding the elimination of discourse segments as an alternative to sentence compression task. Results show that the degree of disagreement in determining the optimal compressed sentence is high and increases with the complexity of the sentence. However, there is some agreement on the decision to delete discourse segments. The informativeness of each segment is calculated using textual energy, a method that has shown good results in automatic summarization.