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2020

Methods for Computing Legal Document Similarity: A Comparative Study

Bhattacharya, Paheli, Ghosh, Kripabandhu, Pal, Arindam et al.

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Understand

Computing similarity between two legal documents is an important and challenging task in the domain of Legal Information Retrieval.

Finding similar legal documents has many applications in downstream tasks, including prior-case retrieval, recommendation of legal articles, and so on.
Prior works have proposed two broad ways of measuring similarity between legal documents - analyzing the precedent citation network, and measuring similarity based on textual content similarity measures.
But there has not been a comprehensive comparison of these existing methods on a common platform.

Methods for Computing Legal Document Similarity: A Comparative Study · Around

Built on

P. Bhattacharya, S. Paul, K. Ghosh, S. Ghosh, and A. Wyner, “Identification of rhetorical roles of sentences in indian legal judgments,” in
Original
2004
Earlier work this paper cites.
S. Kumar, P. K. Reddy, V. B. Reddy, and A. Singh, “Similarity analysis of legal judgments,” in
2011
Earlier work this paper cites.
S. Kumar, P. K. Reddy, V. B. Reddy, and M. Suri, “Similar legal judgements under common law system,” in
2013
Earlier work this paper cites.

Similar

Q. Le and T. Mikolov, “Distributed Representations of Sentences and Documents,” in
2014
Cited alongside, same era.
A. Minocha, N. Singh, and A. Srivastava, “Finding relevant indian judgments using dispersion of citation network,” in
2015
Cited alongside, same era.
A. Grover and J. Leskovec, “Node2vec: Scalable feature learning for networks,” in
2016
Cited alongside, same era.

Then

A. Mandal, R. Chaki, S. Saha, K. Ghosh, A. Pal, and S. Ghosh, “Measuring similarity among legal court case documents,” in
2017
Later among the works it cites.
J. Landthaler, E. Scepankova, I. Glaser, H. Lecker, and F. Matthes, “Semantic Text Matching of Contract Clauses and Legal Comments in Tenancy Law,” in
2018
Later among the works it cites.

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