Reconstruction of hidden graphs and threshold group testing

Huilan Chang (), Hong-Bin Chen, Hung-Lin Fu and Chie-Huai Shi
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Huilan Chang: National Chiao Tung University
Hong-Bin Chen: National Chiao Tung University
Hung-Lin Fu: National Chiao Tung University
Chie-Huai Shi: National Chiao Tung University

Journal of Combinatorial Optimization, 2011, vol. 22, issue 2, No 10, 270-281

Abstract: Abstract Classical group testing is a search paradigm where the goal is the identification of individual positive elements in a large collection of elements by asking queries of the form “Does a set of elements contain a positive one?”. A graph reconstruction problem that generalizes the classical group testing problem is to reconstruct a hidden graph from a given family of graphs by asking queries of the form “Whether a set of vertices induces an edge”. Reconstruction problems on families of Hamiltonian cycles, matchings, stars and cliques on n vertices have been studied where algorithms of using at most 2nlg n,(1+o(1))(nlg n),2n and 2n queries were proposed, respectively. In this paper we improve them to $(1+o(1))(n\lg n),(1+o(1))(\frac{n\lg n}{2}),n+2\lg n$ and n+lg n, respectively. Threshold group testing is another generalization of group testing which is to identify the individual positive elements in a collection of elements under a more general setting, in which there are two fixed thresholds ℓ and u, with ℓ

Keywords: Graph search; Threshold group testing; Pooling design; Adaptive algorithms (search for similar items in EconPapers)
Date: 2011
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DOI: 10.1007/s10878-010-9291-0

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