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A Knowledge Representation Model for the Intelligent Retrieval of Legal Cases

Zeng, Yiming and Wang, Ruili and Zeleznikow, John and Kemp, Elizabeth (2006) A Knowledge Representation Model for the Intelligent Retrieval of Legal Cases. International Journal of Law and Information Technology, 15 (3). pp. 299-319. ISSN 1464-3693

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Abstract

In this paper, we develop a knowledge representation model for the innovative intelligent retrieval of legal cases, which provides effective legal case management. Examples are taken from the domain of accident compensation. A new set of sub-elements for legal case representation (sub-issues, pro-claimant, pro-respondent and contextual features) has been developed to extend the traditional representation elements of issues and factors. In our representation model, an issue may need to be further decomposed into sub-issues; factors are categorised into pro-claimant and pro-respondent factors; and contextual features are also introduced to help retrieval. These extensions can effectively reveal the factual relevance between legal cases. Based on the knowledge representation model, we propose the IPF scheme for intelligent legal case retrieval. Experiment and statistical analysis have been conducted to demonstrate the effectiveness of the proposed representation model and retrieval scheme.

Item Type: Article
Uncontrolled Keywords: ResPubID11171, legal case retrieval, case representation elements, legal knowledge, representation, accident compensation
Subjects: Faculty/School/Research Centre/Department > School of Management and Information Systems
FOR Classification > 0806 Information Systems
FOR Classification > 1801 Law
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Depositing User: VUIR
Date Deposited: 03 May 2012 05:25
Last Modified: 03 May 2012 05:25
URI: http://vuir.vu.edu.au/id/eprint/3137
DOI: 10.1093/ijlit/eal023
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