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Predatory chatlog messages as forensic evidence in court: A comparison of two different procedures for estimating the weight of evidence

Ishihara, Shunichi


The performances of two different procedures for calculating the likelihood ratio (LR) for forensic text comparison (FTC) are empirically compared. One is the multivariate kernel density (MVKD) procedure with so-called lexical features. The MVKD procedure has been successfully applied to various types of evidence, including texts. The other is the procedure based on character N-grams. N-gram is a widely-used, robust probabilistic language model. The effectiveness of character N-grams has been...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Conference paper
Source: The 45th Australian Linguistic Society Conference Proceedings - 2014
Access Rights: Open Access


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