On the Configuration of More and Less Expressive Logic Programs

Carmine Dorado, Marco Maratea, Mauro Vallati

Research output: Contribution to journalArticlepeer-review

Abstract

The decoupling between the representation of a certain problem, that is, its knowledge model, and the reasoning side is one of main strong points of model-based artificial intelligence (AI). This allows, for example, to focus on improving the reasoning side by having advantages on the whole solving process. Further, it is also well known that many solvers are very sensitive to even syntactic changes in the input. In this paper, we focus on improving the reasoning side by taking advantages of such sensitivity. We consider two well-known model-based AI methodologies, SAT and ASP, define a number of syntactic features that may characterise their inputs, and use automated configuration tools to reformulate the input formula or program. Results of a wide experimental analysis involving SAT and ASP domains, taken from respective competitions, show the different advantages that can be obtained by using input reformulation and configuration.

Original languageEnglish
Number of pages29
JournalTheory and Practice of Logic Programming
Early online date21 Mar 2022
DOIs
Publication statusE-pub ahead of print - 21 Mar 2022

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