Identification of Judicial Outcomes in Judgments: A Generalized Gini-PLS Approach

Gildas Tagny-Ngompé, Stéphane Mussard, Guillaume Zambrano, Sébastien Harispe and Jacky Montmain
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Gildas Tagny-Ngompé: EuroMov Digital Health in Motion, University of Montpellier, IMT Mines Ales, 30100 Ales, France
Guillaume Zambrano: CHROME, University of Nîmes, Avenue du Dr. Georges Salan, 30000 Nimes, France
Sébastien Harispe: EuroMov Digital Health in Motion, University of Montpellier, IMT Mines Ales, 30100 Ales, France
Jacky Montmain: EuroMov Digital Health in Motion, University of Montpellier, IMT Mines Ales, 30100 Ales, France

Stats, 2020, vol. 3, issue 4, 1-17

Abstract: This paper presents and compares several text classification models that can be used to extract the outcome of a judgment from justice decisions, i.e., legal documents summarizing the different rulings made by a judge. Such models can be used to gather important statistics about cases, e.g., success rate based on specific characteristics of cases’ parties or jurisdiction, and are therefore important for the development of Judicial prediction not to mention the study of Law enforcement in general. We propose in particular the generalized Gini-PLS which better considers the information in the distribution tails while attenuating, as in the simple Gini-PLS, the influence exerted by outliers. Modeling the studied task as a supervised binary classification, we also introduce the LOGIT-Gini-PLS suited to the explanation of a binary target variable. In addition, various technical aspects regarding the evaluated text classification approaches which consists of combinations of representations of judgments and classification algorithms are studied using an annotated corpora of French justice decisions.

Keywords: Gini-PLS; text classification; court decisions; judge opinion identification (search for similar items in EconPapers)
JEL-codes: C1 C10 C11 C14 C15 C16 (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:gam:jstats:v:3:y:2020:i:4:p:27-443:d:420267

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