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A likelihood ratio-based evaluation of strength of authorship attribution evidence in SMS messages using N-grams

Ishihara, Shunichi


An experiment in forensic text comparison (FTC) within the likelihood ratio (LR) framework is described. The experiment attempts to determine the strength of author- ship attribution evidence modelled with N-grams, which is perhaps one of the most basic automatic modelling techniques. The SMS messages of multiple authors selected from the SMS corpus compiled by the National University of Singapore were used for same- and different-author comparisons. The number of words used for the N-gram...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: The International Journal of Speech, Language and the Law
DOI: 10.1558/ijsll.v21i1.23


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