Text-based inference of moral sentiment change

• URL: http://arxiv.org/abs/2001.07209v1
• Date: Mon, 20 Jan 2020 18:52:45 GMT
• Title: Text-based inference of moral sentiment change
• Authors: Jing Yi Xie, Renato Ferreira Pinto Jr., Graeme Hirst, Yang Xu
• Abstract summary: We present a text-based framework for investigating moral sentiment change of the public via longitudinal corpora. We build our methodology by exploring moral biases learned from diachronic word embeddings. Our work offers opportunities for applying natural language processing toward characterizing moral sentiment change in society.
• Score: 11.188112005462536
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We present a text-based framework for investigating moral sentiment change of the public via longitudinal corpora. Our framework is based on the premise that language use can inform people's moral perception toward right or wrong, and we build our methodology by exploring moral biases learned from diachronic word embeddings. We demonstrate how a parameter-free model supports inference of historical shifts in moral sentiment toward concepts such as slavery and democracy over centuries at three incremental levels: moral relevance, moral polarity, and fine-grained moral dimensions. We apply this methodology to visualizing moral time courses of individual concepts and analyzing the relations between psycholinguistic variables and rates of moral sentiment change at scale. Our work offers opportunities for applying natural language processing toward characterizing moral sentiment change in society.

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