journal article·2024-01-15Open access

Abstractive Summarizers Become Emotional on News Summarization

Vicent Ahuir, José-Ángel González, Lluís-F. Hurtado, Encarna Segarra

Applied Sciences· Volume 14· Issue 2

Abstract

Emotions are central to understanding contemporary journalism; however, they are overlooked in automatic news summarization. Actually, summaries are an entry point to the source article that could favor some emotions to captivate the reader. Nevertheless, the emotional content of summarization corpora and the emotional behavior of summarization models are still unexplored. In this work, we explore the usage of established methodologies to study the emotional content of summarization corpora and the emotional behavior of summarization models. Using these methodologies, we study the emotional content of two widely used summarization corpora: Cnn/Dailymail and Xsum, and the capabilities of three state-of-the-art transformer-based abstractive systems for eliciting emotions in the generated summaries: Bart, Pegasus, and T5. The main significant findings are as follows: (i) emotions are persistent in the two summarization corpora, (ii) summarizers approach moderately well the emotions of the reference summaries, and (iii) more than 75% of the emotions introduced by novel words in generated summaries are present in the reference ones. The combined use of these methodologies has allowed us to conduct a satisfactory study of the emotional content in news summarization.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Topic Modeling · Advanced Text Analysis Techniques · Natural Language Processing Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Valencian Research Institute for Artificial Intelligence (VRAIN), Universitat Politècnica de València, 46022 Valencia, Spain

Symanto Symanto Research, C/Reina 12, 46011 Valencia, Spain

Valencian Graduate School and Research Network of Artificial Intelligence (ValgrAI), Universitat Politècnica de Valéncia, 46022 Valencia, Spain

Funding

MCIN/AEI/10.13039/501100011033 · Generalitat Valenciana · Spanish Ministerio de Universidades

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