A critical point for random graphs with a given degree sequence
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The small-world phenomenon: an algorithmic perspective
STOC '00 Proceedings of the thirty-second annual ACM symposium on Theory of computing
A random graph model for massive graphs
STOC '00 Proceedings of the thirty-second annual ACM symposium on Theory of computing
The degree sequence of a scale-free random graph process
Random Structures & Algorithms
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The Diameter of a Scale-Free Random Graph
Combinatorica
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P2P '04 Proceedings of the Fourth International Conference on Peer-to-Peer Computing
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Combinatorics, Probability and Computing
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SODA '05 Proceedings of the sixteenth annual ACM-SIAM symposium on Discrete algorithms
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Proceedings of the twenty-fourth annual ACM symposium on Principles of distributed computing
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SIAM Journal on Discrete Mathematics
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Theoretical Computer Science - Complex networks
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Proceedings of the twenty-fifth annual ACM symposium on Principles of distributed computing
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Greedy routing in tree-decomposed graphs
ESA'05 Proceedings of the 13th annual European conference on Algorithms
Euro-Par'05 Proceedings of the 11th international Euro-Par conference on Parallel Processing
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We investigate the complexity of searching for a given vertex in a scale-free graph, using only locally gathered information. In such graphs, the number of nodes of degree x is proportional to x-β for some constant β 0. We consider two random scale-free graph models: the Chung-Lu model and the Móri model (a generalization of the Barabási-Albert model) proving two lower bounds of Ω(n/ logΘ(β) n) and Ω(n1/2) on the expected time to find the worst-case target, under a restrictive model of local information.