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dc.contributor.authorSANTIN, Piera
dc.contributor.authorGRUNDLER, Giulia
dc.contributor.authorGALASSI, Andrea
dc.contributor.authorGALLI, Federico
dc.contributor.authorLAGIOIA, Francesca
dc.contributor.authorPALMIERI, Elena
dc.contributor.authorRUGGERI, Federico
dc.contributor.authorSARTOR, Giovanni
dc.contributor.authorTORRONI, Paolo
dc.identifier.citationICAIL '23 : proceedings of the Nineteenth International Conference on Artificial Intelligence and Law, New York : Association for Computing Machinery, 2023, pp. 247-256en
dc.descriptionPublished: 07 September 2023en
dc.description.abstractArgument structure prediction aims to identify the relations between arguments or between parts of arguments. It is a crucial task in legal argument mining, where it could help identifying motivations behind judgments or even fallacies or inconsistencies. It is also a very challenging task, which is relatively underdeveloped compared to other argument mining tasks, owing to a number of reasons including a low availability of datasets and a high complexity of the reasoning involved. In this work, we address argumentative link prediction in decisions by Court of Justice of the European Union on fiscal state aid. We study how propositions are combined in higher-level structures and how the relations between propositions can be predicted by NLP models. To this end, we present a novel annotation scheme and use it to extend a dataset from literature with an additional annotation layer. We use our new dataset to run an empirical study, where we compare two architectures and explore different combinations of hyperparameters and training regimes. Our results indicate that an ensemble of residual networks yields the best results.en
dc.publisherAssociation for Computing Machineryen
dc.titleArgumentation structure prediction in CJEU decisions on fiscal state aiden
dc.typeContribution to booken

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