AIMar 20, 2013

Conflict and Surprise: Heuristics for Model Revision

arXiv:1303.5728v149 citations
Originality Synthesis-oriented
AI Analysis

This addresses the need for users of probability-based decision aids to be alerted to model failures, though it appears incremental as it builds on existing decision-theoretic principles.

The paper tackles the problem of detecting when a probabilistic model fails due to violated assumptions, presenting heuristics to diagnose inadequate model representations, but does not provide concrete numerical results.

Any probabilistic model of a problem is based on assumptions which, if violated, invalidate the model. Users of probability based decision aids need to be alerted when cases arise that are not covered by the aid's model. Diagnosis of model failure is also necessary to control dynamic model construction and revision. This paper presents a set of decision theoretically motivated heuristics for diagnosing situations in which a model is likely to provide an inadequate representation of the process being modeled.

Foundations

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