BARD: A structured technique for group elicitation of Bayesian networks to support analytic reasoning

• URL: http://arxiv.org/abs/2003.01207v1
• Date: Mon, 2 Mar 2020 21:55:35 GMT
• Title: BARD: A structured technique for group elicitation of Bayesian networks to support analytic reasoning
• Authors: Ann E. Nicholson, Kevin B. Korb, Erik P. Nyberg, Michael Wybrow, Ingrid Zukerman, Steven Mascaro, Shreshth Thakur, Abraham Oshni Alvandi, Jeff Riley, Ross Pearson, Shane Morris, Matthieu Herrmann, A.K.M. Azad, Fergus Bolger, Ulrike Hahn, and David Lagnado
• Abstract summary: BARD (Bayesian ARgumentation via Delphi) is both a methodology and an expert system. It is an end-to-end online platform, with associated online training, for groups without prior BN expertise to understand and analyse a problem. Initial experimental results demonstrate that BARD aids in problem solving, reasoning and collaboration.
• Score: 2.30529156118173
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In many complex, real-world situations, problem solving and decision making require effective reasoning about causation and uncertainty. However, human reasoning in these cases is prone to confusion and error. Bayesian networks (BNs) are an artificial intelligence technology that models uncertain situations, supporting probabilistic and causal reasoning and decision making. However, to date, BN methodologies and software require significant upfront training, do not provide much guidance on the model building process, and do not support collaboratively building BNs. BARD (Bayesian ARgumentation via Delphi) is both a methodology and an expert system that utilises (1) BNs as the underlying structured representations for better argument analysis, (2) a multi-user web-based software platform and Delphi-style social processes to assist with collaboration, and (3) short, high-quality e-courses on demand, a highly structured process to guide BN construction, and a variety of helpful tools to assist in building and reasoning with BNs, including an automated explanation tool to assist effective report writing. The result is an end-to-end online platform, with associated online training, for groups without prior BN expertise to understand and analyse a problem, build a model of its underlying probabilistic causal structure, validate and reason with the causal model, and use it to produce a written analytic report. Initial experimental results demonstrate that BARD aids in problem solving, reasoning and collaboration.

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