Journal
JOURNAL OF LOGIC AND COMPUTATION
Volume 15, Issue 1, Pages 21-40Publisher
OXFORD UNIV PRESS
DOI: 10.1093/logcom/exh034
Keywords
metareasoning; time; non-monotonic reasoning; active logic; brittleness; autonomous agents
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This essay describes a general approach to building perturbation-tolerant autonomous systems, based on the conviction that artificial agents should be able to notice when something is amiss, assess the anomaly, and guide a solution into place. This basic strategy of self-guided learning is termed the metacognitive loop: it involves system monitoring, reasoning about, and, when necessary, altering its own decision-making components. This paper (a) argues that equipping agents with a metacognitive loop can help to overcome the brittleness problem, (b) details the metacognitive loop and its relation to ongoing work on time-sensitive commonsense reasoning, (c) describes specific, implemented systems whose perturbation tolerance was improved by adding a metacognitive loop. and (d) outlines both short-term and long-term research agendas.
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