The linked legal data landscape: linking legal data across different countries

Filtz, Erwin ORCID: https://orcid.org/0000-0003-3445-0504 and Kirrane, Sabrina ORCID: https://orcid.org/0000-0002-6955-7718 and Polleres, Axel ORCID: https://orcid.org/0000-0001-5670-1146 (2021) The linked legal data landscape: linking legal data across different countries. Artificial Intelligence and Law, 29. pp. 485-539. ISSN 0924-8463

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Abstract

The European Union is working towards harmonizing legislation across Europe, in order to improve cross-border interchange of legal information. This goal is supported for instance via standards such as the European Law Identifier (ELI) and the European Case Law Identifier (ECLI), which provide technical specifications for Web identifiers and suggestions for vocabularies to be used to describe metadata pertaining to legal documents in a machine readable format. Notably, these ECLI and ELI metadata standards adhere to the RDF data format which forms the basis of Linked Data, and therefore have the potential to form a basis for a pan-European legal Knowledge Graph. Unfortunately, to date said specifications have only been partially adopted by EU member states. In this paper we describe a methodology to transform the existing legal information system used in Austria to such a legal knowledge graph covering different steps from modeling national specific aspects, to population, and finally the integration of legal data from other countries through linked data. We demonstrate the usefulness of this approach by exemplifying practical use cases from legal information search, which are not possible in an automated fashion so far.

Item Type: Article
Additional Information: This work was partially funded by the Austrian Research Promotion Agency (FFG) under the “ICT of the Future” program (project “AI@Work”, contract #874111), the Federal Ministry of Digital and Economic Affairs of the Republic of Austria and the Jubilee Fund of the City of Vienna. Sabrina Kirrane is funded by the FWF Austrian Science Fund and the Internet Foundation Austria under the FWF Elise Richter and netidee SCIENCE programmes as project number V 759-N. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 860801. Open access funding provided by Vienna University of Economics and Business (WU).
Keywords: Linked data, Legal knowledge graph, Legal ontology, Law identifier
Version of the Document: Published
Depositing User: ePub Administrator
Date Deposited: 26 Feb 2021 08:54
Last Modified: 16 Nov 2021 15:51
FIDES Link: https://bach.wu.ac.at/d/research/results/98918/
URI: https://epub.wu.ac.at/id/eprint/8016

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