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Montealegre-Barba, P.; Perez-Salazar, S.; Rapaport, I.; Todinca, I. |
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Two Rounds Are Enough for Reconstructing Any Graph (Class) in the Congested Clique Model |
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2018 |
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Lecture Notes in Computer Sciences |
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Lect. Notes Comput. Sc. |
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11085 |
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UAI @ eduardo.moreno @ |
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1296 |
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Montealegre, P.; Perez-Salazar, S.; Rapaport, I.; Todinca, I. |
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Title |
Graph reconstruction in the congested clique |
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2020 |
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Journal Of Computer And System Sciences |
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J. Comput. Syst. Sci. |
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113 |
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1-17 |
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Distributed computing; Congested clique; Round complexity; Reconstruction problem; Graph classes |
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In this paper we study the reconstruction problem in the congested clique model. Given a class of graphs g, the problem is defined as follows: if G is not an element of g, then every node must reject; if G is an element of g, then every node must end up knowing all the edges of G. The cost of an algorithm is the total number of bits received by any node through one link. It is not difficult to see that the cost of any algorithm that solves this problem is Omega(log vertical bar g(n)vertical bar/n), where g(n) is the subclass of all n-node labeled graphs in g. We prove that the lower bound is tight and that it is possible to achieve it with only 2 rounds. (C) 2020 Elsevier Inc. All rights reserved. |
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[Montealegre, R.] Univ Adolfo Ibanez, Fac Ingn & Ciencias, Santiago, Chile, Email: p.montealegre@edu.uai; |
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Academic Press Inc Elsevier Science |
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English |
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0022-0000 |
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WOS:000539435200001 |
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UAI @ eduardo.moreno @ |
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1190 |
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