Hadoux, E;
Hunter, A;
(2018)
Learning and Updating User Models for Subpopulations in Persuasive Argumentation Using Beta Distribution.
In: Andre, E and Koenig, S and Dastani, M and Sukthankar, G, (eds.)
AAMAS '18: Proceedings of the 17th International Conference on Autonomous Agents and MultiAgent Systems.
(pp. pp. 1141-1149).
Association for Computing Machinery (ACM): New York, NY, USA.
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Abstract
Persuasion is an activity that involves one party (the persuader) trying to induce another party (the persuadee) to believe or do something. It is an important and multifaceted human facility both in professional life (e.g., a doctor persuading a patient to give up smoking) and everyday life (e.g., some friends persuading another to join them in seeing a film). Recently, some proposals in the field of computational models of argument have been made for probabilistic models of what the persuadee knows about, or believes. However, they cannot efficiently model uncertainty on the belief of individuals and cannot represent populations. We propose to use mixtures of beta distributions and apply them on real data gathered by linguists. We show that we can represent the belief and its uncertainty using beta mixtures and that we can predict the evolution of this belief after an argument is given. We also present examples of how to use the mixtures in practice to replace general belief update functions.
| Type: | Proceedings paper |
|---|---|
| Title: | Learning and Updating User Models for Subpopulations in Persuasive Argumentation Using Beta Distribution |
| Event: | 17th International Conference on Autonomous Agents and MultiAgent Systems (AAMAS '18) |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | https://dl.acm.org/citation.cfm?id=3237865 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Persuasive Argumentation, Belief Representation |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10047347 |
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