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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Lattice Completion Algorithms for Distributed Computations
verfasst von : Vijay K. Garg
Erschienen in: Principles of Distributed Systems
Verlag: Springer Berlin Heidelberg
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A distributed computation is usually modeled as a finite partially ordered set (poset) of events. Many operations on this poset require computing meets and joins of subsets of events. The lattice of normal cuts of a poset is the smallest lattice that embeds the poset such that all meets and joins are defined. In this paper, we propose new algorithms to construct or enumerate the lattice of normal cuts. Our algorithms are designed for distributed computing applications and have lower time or space complexity than those of existing algorithms. We also show applications of this lattice to the problems in distributed computing such as finding the extremal events and detecting global predicates.