An Agent-Based Dialogical Model with Fuzzy Attitudes
Authored by Wander Jager, Corinna Elsenbroich, Rineke Verbrugge, Piter Dykstra, Lavalette Gerard Renardel de
Date Published: 2015
Sponsors:
Netherlands Organization for Scientific Research (NWO)
Platforms:
NetLogo
Model Documentation:
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Mathematical description
Model Code URLs:
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Abstract
This paper presents an extension to an agent-based model of opinion
dynamics built on dialogical logic DIAL. The extended model tackles a
pervasive problem in argumentation logics: the difference between
linguistic and logical inconsistency. Using fuzzy logic, the linear
ordering of opinions, used in DIAL, is replaced by a set of partial
orderings leading to a new, nonstandard notion of consistency as
convexity of sets of statements. DIAL allows the modelling of the
interplay of social structures and individual beliefs, inspired by the
interplay between the importance and the evidence of an opinion
formulated in the Theory of Reasoned Action, but DIAL was restricted to
argumentation about one proposition. FUZZYDIAL allows for a more natural
structure of dialogues by allowing argumentation about positions in a
multidimensional space.
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