Multilingual Multi-Target Stance Recognition in Online Public Consultations

Valentin Barriere () and Alexandra Balahur
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Valentin Barriere: Centro Nacional de Inteligencia Artificial, Santiago 4860, Chile
Alexandra Balahur: European Commission, Joint Research Center, 1050 Bruxelles, Belgium

Mathematics, 2023, vol. 11, issue 9, 1-20

Abstract: Machine Learning is an interesting tool for stance recognition in a large-scale context, in terms of data size, but also regarding the topics and themes addressed or the languages employed by the participants. Public consultations of citizens using online participatory democracy platforms offer this kind of setting and are good use cases for automatic stance recognition systems. In this paper, we propose to use three datasets of public consultations, in order to train a model able to classify the stance of a citizen within a text, towards a proposal or a debate question. We studied stance detection in several contexts: using data from an online platform without interactions between users, using multilingual data from online debates that are in one language, and using data from online intra-multilingual debates, which can contain several languages inside the same unique debate discussion. We propose several baselines and methods in order to take advantage of the different available data, by comparing the results of models using out-of-dataset annotations, and binary or ternary annotations from the target dataset. We finally proposed a self-supervised learning method to take advantage of unlabelled data. We annotated both the datasets with ternary stance labels and made them available.

Keywords: stancerecognition; multilingual models; online debates; public consultations; natural language processing; transformers (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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