Metareasoning and the Problem of Small Worlds

Practical decision theoretic reasoning requires the construction of local, problem-specific models in which attention is confined to a restricted universe of propositions. Such a restricted universe is called a small world. Managing the construction and revision of small world models can itself be viewed as a meta-level decision problem. This paper presents a theoretical framework for understanding and analyzing many of the issues associated with the management of small world models. >

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