Williamson, J. (2005) Objective Bayesian nets. In: Artemov, S. and Barringer, H. and Garcez, A.A., eds. We Will Show Them: Essays in Honour of Dov Gabbay. College Publications, pp. 713-730. ISBN 9781904987260.
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Abstract
I present a formalism that combines two methodologies: *objective Bayesianism* and *Bayesian nets*. According to *objective Bayesianism*, an agent's degrees of belief (i) ought to satisfy the axioms of probability, (ii) ought to satisfy constraints imposed by background knowledge, and (iii) should otherwise be as non-committal as possible (i.e. have maximum entropy). *Bayesian nets* offer an efficient way of representing and updating probability functions. An *objective Bayesian net* is a Bayesian net representation of the maximum entropy probability function. I show how objective Bayesian nets can be constructed, updated and combined, and how they can deal with cases in which the agent's background knowledge includes knowledge of qualitative *influence relationships*, e.g. causal influences. I then sketch a number of applications of the resulting formalism, showing how it can shed light on probability logic, causal modelling, logical reasoning, semantic reasoning, argumentation and recursive modelling.
| Item Type: | Book section |
|---|---|
| Subjects: | B Philosophy. Psychology. Religion > B Philosophy (General) Q Science > QA Mathematics (inc Computing science) > QA273 Probabilities Q Science > QA Mathematics (inc Computing science) > QA 75 Electronic computers. Computer science |
| Divisions: | Faculties > Humanities > School of European Culture and Languages |
| Depositing User: | Jon Williamson |
| Date Deposited: | 10 Nov 2008 20:37 |
| Last Modified: | 14 Jan 2010 14:26 |
| Resource URI: | http://kar.kent.ac.uk/id/eprint/7369 (The current URI for this page, for reference purposes) |
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