Exploiting Vagueness for Multi-Agent Consensus

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

5 Citations (Scopus)
130 Downloads (Pure)

Abstract

A framework for consensus modelling is introduced using Kleene’s three valued logic as a means to express vagueness in agents’ beliefs. Explicitly borderline cases are inherent to propositions involving vague concepts where sentences of a propositional language may be absolutely true, absolutely false or borderline. By exploiting these intermediate truth values, we can allow agents to adopt a more vague interpretation of underlying concepts in order to weaken their beliefs and reduce the levels of inconsistency, so as to achieve consensus. We consider a consensus combination operation which results in agents adopting the borderline truth value as a shared viewpoint if they are in direct conflict. Simulation experiments are presented which show that applying this operator to agents chosen at random (subject to a consistency threshold) from a population, with initially diverse opinions, results in convergence to a smaller set of more precise shared beliefs. Furthermore, if the choice of agents for combination is dependent on the payoff of their beliefs, this acting as a proxy for performance or usefulness, then the system converges to beliefs which, on average, have higher payoff.
Original languageEnglish
Title of host publicationMulti-agent and Complex Systems
Subtitle of host publicationPost-proceedings of the 2nd International Workshop on Smart Simulation and Modelling for Computer Systems (SSMCS 2015)
EditorsQuan Bai, Fenghui Ren, Katsuhide Fujita, Minjie Zhang, Takayuki Ito
PublisherSpringer, Singapore
Pages67-78
Number of pages12
ISBN (Electronic)9789811025648
ISBN (Print)9789811025631
DOIs
Publication statusPublished - 16 Nov 2016
Event2nd International Workshop on Smart Simulation and Modelling Computer Systems (SSMCS) - Buenos Aires, Argentina
Duration: 25 Jul 201531 Jul 2015
Conference number: 2
http://www.uow.edu.au/~fren/SSMCS2015/

Publication series

NameStudies in Computational Intelligence
PublisherSpringer
Volume970
ISSN (Print)1860-949X

Conference

Conference2nd International Workshop on Smart Simulation and Modelling Computer Systems (SSMCS)
Abbreviated titleSSMCS
CountryArgentina
CityBuenos Aires
Period25/07/1531/07/15
Internet address

Keywords

  • Agent-Based Modelling
  • Many-Valued Logics
  • Belief Aggregation
  • Consensus

Fingerprint Dive into the research topics of 'Exploiting Vagueness for Multi-Agent Consensus'. Together they form a unique fingerprint.

Cite this