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arXiv 1907.09402cs.LOcs.AI
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计算ASP程序谨慎结果的抽象求解器

Abstract Solvers for Computing Cautious Consequences of ASP programs

University of Calabria(卡拉布里亚大学);University of Genoa(热那亚大学);dibris.unige.it(dibris.unige.it(此处为邮箱域名,非机构名,按要求不应提取,实际应为前两个大学))

Giovanni Amendola, Carmine Dodaro, Marco Maratea

摘要:

抽象求解器是一种形式化分析算法的方法,这些算法已被有效地用于描述、比较和组合各种领域的求解技术,例如命题可满足性(SAT)、量化SAT、可满足性模理论、答案集编程(ASP)和约束ASP。在本文中,我们设计,实现和测试新的谨慎推理任务的抽象解决方案,在ASP。我们展示了如何改进目前的抽象求解器谨慎推理ASP借用新技术在SAT骨干计算,以设计新的求解算法。通过这样做,我们也正式表明,在ASP中解决谨慎推理任务的算法是密切相关的计算布尔公式的骨干。我们实现了一些新的解决方案,在ASP求解器WASP,并表明他们的性能是比较先进的解决方案的基准问题,从过去的ASP比赛。正在考虑接受TPLP。

英文摘要:

Abstract solvers are a method to formally analyze algorithms that have been profitably used for describing, comparing and composing solving techniques in various fields such as Propositional Satisfiability (SAT), Quantified SAT, Satisfiability Modulo Theories, Answer Set Programming (ASP), and Constraint ASP. In this paper, we design, implement and test novel abstract solutions for cautious reasoning tasks in ASP. We show how to improve the current abstract solvers for cautious reasoning in ASP with new techniques borrowed from backbone computation in SAT, in order to design new solving algorithms. By doing so, we also formally show that the algorithms for solving cautious reasoning tasks in ASP are strongly related to those for computing backbones of Boolean formulas. We implement some of the new solutions in the ASP solver WASP and show that their performance are comparable to state-of-the-art solutions on the benchmark problems from the past ASP Competitions. Under consideration for acceptance in TPLP.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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