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Using Citation Analysis Techniques for Computer-Assisted Legal Research in Continental Jurisdictions

103 Pages Posted: 6 May 2009  

Anton Geist

University of Edinburgh - School of Law; University of Vienna - Faculty of Law

Date Written: May 1, 2009

Abstract

The following research investigates the use of citation analysis techniques for relevance ranking in computer-assisted legal research systems. Overviews on information retrieval, legal research, computer-assisted legal research (CALR), and the role of citations in legal research enable the formulation of a proposition: Relevance ranking in contemporary CALR systems could profit from the use of citation analysis techniques. After examining potential previous work in the areas of Web search, legal network analysis, and legal citation analysis, the proposition is further developed into a testable hypothesis: A basic citation-based algorithm, despite all its shortcomings, could be used to significantly improve relevance ranking in computer-assisted legal research. By computing and analysing the distribution of 242,078 headnote citations across 80,195 opinions written by the Austrian Supreme Court of Justice between 1985 and 2008, proof for this hypothesis is presented.

Keywords: computer-assisted legal research, computer assisted legal research, relevance ranking, legal citation analysis, legal network analysis, Web search

Suggested Citation

Geist, Anton, Using Citation Analysis Techniques for Computer-Assisted Legal Research in Continental Jurisdictions (May 1, 2009). Available at SSRN: https://ssrn.com/abstract=1397674 or http://dx.doi.org/10.2139/ssrn.1397674

Anton Geist (Contact Author)

University of Edinburgh - School of Law ( email )

Old College
South Bridge
Edinburgh, EH8 9YL
United Kingdom

University of Vienna - Faculty of Law ( email )

Schottenbastei 10-16
Vienna, A-1010
Austria

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