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Complexity Bounds for the Controllability of Temporal Networks with Conditions, Disjunctions, and Uncertainty (Extended Abstract)

机译:复杂性界限,用于颞网络的可控性,条件,剖钉和不确定性(扩展摘要)

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摘要

In temporal planning, many different temporal network formalisms are used to model real world situations. Each of these formalisms has different features which affect how easy it is to determine whether the underlying network of temporal constraints is consistent. While many of the simpler models have been well-studied from a computational complexity perspective, the algorithms developed for advanced models which combine features have very loose complexity bounds. In this work, we provide tight completeness bounds for strong, weak, and dynamic controllability checking of temporal networks that have conditions, disjunctions, and temporal uncertainty. Our work exposes some of the subtle differences between these different structures and, remarkably, establishes a guarantee that all of these problems are computable in PSPACE.
机译:在时间计划中,许多不同的时间网络形式主义用于建模现实世界情况。这些形式主义中的每一个都有不同的特征,影响确定潜在的时间限制网络是否一致的潜在网络是多么容易。虽然从计算复杂性的角度来看,许多更简单的模型已经很好地研究,但是为结合功能的高级模型开发的算法具有非常松散的复杂性界限。在这项工作中,我们为具有条件,剖钉和时间不确定性的时间网络的强大,弱和动态可控性检查提供紧密的完整性界限。我们的工作暴露了这些不同结构之间的一些微妙差异,并且显着建立了保证所有这些问题都可以在PSPace中计算。

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