Constraints, lazy constraints, or propagators in ASP solving: An empirical analysis

Answer set programming (ASP) is a well-established declarative paradigm. One of the successes of ASP is the availability of efficient systems. State-of-the-art systems are based on the ground+solve approach. In some applications, this approach is infeasible because the grounding of one or a few cons...

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Bibliographic Details
Published in:Theory and practice of logic programming Vol. 17; no. 5-6; pp. 780 - 799
Main Authors: CUTERI, BERNARDO, DODARO, CARMINE, RICCA, FRANCESCO, SCHÜLLER, PETER
Format: Journal Article
Language:English
Published: Cambridge, UK Cambridge University Press 01.09.2017
Subjects:
Empirical analysis
Regular Papers
Answer set programming
lazy grounding
propagators
ISSN:1471-0684, 1475-3081
Online Access:Get full text
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Summary:Answer set programming (ASP) is a well-established declarative paradigm. One of the successes of ASP is the availability of efficient systems. State-of-the-art systems are based on the ground+solve approach. In some applications, this approach is infeasible because the grounding of one or a few constraints is expensive. In this paper, we systematically compare alternative strategies to avoid the instantiation of problematic constraints, which are based on custom extensions of the solver. Results on real and synthetic benchmarks highlight some strengths and weaknesses of the different strategies.
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ISSN:1471-0684
1475-3081
DOI:10.1017/S1471068417000254