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AAAI
1990

Operationality Criteria for Recursive Predicates

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Operationality Criteria for Recursive Predicates
Current explanation-based generalization (EBG) techniques can perform badly when the problem being solved involves recursion. Often an infinite series of learned concepts are generated that correspond to the expansion of recursive solutions over every finite depth. Previous attempts to address the problem, such as Shavlik's generalization-to-N EBG method, are overly reluctant to expand recursions; this reluctance can lead to inefficient rules. In this paper EBG is viewed as a program transformation technique on logic programs. Within that framework an improved operationality criterion for controlling the expansion of recursions is presented. This criterion prevents certain infinite and combinatorially explosive rule classes from being generated, yet permits expansion in some useful circumstances, allowing more efficient rules to be learned.
Stanley Letovsky
Added 06 Nov 2010
Updated 06 Nov 2010
Type Conference
Year 1990
Where AAAI
Authors Stanley Letovsky
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