International Journal of Approximate Reasoning, ( ISI ), Volume (55), No (6), Year (2014-7) , Pages (1383-1403)

Title : ( Introducing validity in fuzzy probability for judicial decision-making )

Authors: Farnaz Sabahi , Mohammad Reza Akbarzadeh Totonchi ,

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Since the Age of Enlightenment, most philosophers have associated reasoning with the rules of probability and logic. This association has been enhanced over the years and now incorporates the theory of fuzzy logic as a complement to the probability theory, leading to the concept of fuzzy probability. Our insight, here, is integrating the concept of validity into the notion of fuzzy probability within an extended fuzzy logic (FLe) framework keeping with the notion of collective intelligence. In this regard, we propose a novel framework of possibility–probability–validity distribution (PPVD). The proposed distribution is applied to a real world setting of actual judicial cases to examine the role of validity measures in automated judicial decision-making within a fuzzy probabilistic framework. We compute valid fuzzy probability of conviction and acquittal based on different factors. This determines a possible overall hypothesis for the decision of a case, which is valid only to a degree. Validity is computed by aggregating validities of all the involved factors that are obtained from a factor vocabulary based on the empirical data. We then map the combined validity based on the Jaccard similarity measure into linguistic forms, so that a human can understand the results. Then PPVDs that are obtained based on the relevant factors in the given case yield the final valid fuzzy probabilities for conviction and acquittal. Finally, the judge has to make a decision; we therefore provide a numerical measure. Our approach supports the proposed hypothesis within the three-dimensional contexts of probability, possibility, and validity to improve the ability to solve problems with incomplete, unreliable, or ambiguous information to deliver a more reliable decision.

Keywords

, Decision, making; f, Constraints; Judicial cases; Possibility;
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@article{paperid:1043559,
author = {Sabahi, Farnaz and Akbarzadeh Totonchi, Mohammad Reza},
title = {Introducing validity in fuzzy probability for judicial decision-making},
journal = {International Journal of Approximate Reasoning},
year = {2014},
volume = {55},
number = {6},
month = {July},
issn = {0888-613X},
pages = {1383--1403},
numpages = {20},
keywords = {Decision-making; f-Constraints; Judicial cases; Possibility; Probability;Validity},
}

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%0 Journal Article
%T Introducing validity in fuzzy probability for judicial decision-making
%A Sabahi, Farnaz
%A Akbarzadeh Totonchi, Mohammad Reza
%J International Journal of Approximate Reasoning
%@ 0888-613X
%D 2014

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