Using Agreement Statements to Identify Majority Opinion in UKHL Case Law

Josef Valvoda, Oliver Ray, Ken Satoh

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Abstract

This paper is concerned with the task of finding majority opinion (MO) in UK House of Lords (UKHL) case law by analysing agreement statements (AS) that explicitly express the appointed judges' acceptance of each other's reasoning. We introduce a corpus of 300 UKHL cases in which the relevant AS and MO have been annotated by three legal experts; and we introduce an AI system that automatically identifies this AS and MO with a performance comparable to humans.
Original languageEnglish
Title of host publicationFrontiers in Artificial Intelligence and Applications
Subtitle of host publicationLegal Knowledge and Information Systems (Jurix2018)
EditorsMonica Palmirani
Place of PublicationNetherlands
PublisherIOS Press
Pages141-150
Number of pages10
Volume313
ISBN (Electronic)9781614999355
ISBN (Print)9781614999348
DOIs
Publication statusPublished - 31 Dec 2018

Keywords

  • Majority Opinion
  • UK House of Lords

Cite this

Valvoda, J., Ray, O., & Satoh, K. (2018). Using Agreement Statements to Identify Majority Opinion in UKHL Case Law. In M. Palmirani (Ed.), Frontiers in Artificial Intelligence and Applications: Legal Knowledge and Information Systems (Jurix2018) (Vol. 313, pp. 141-150). IOS Press. https://doi.org/10.3233/978-1-61499-935-5-141