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115
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AIRWEB
2009
Springer
15 years 8 months ago
2009
Springer
Spammers in social bookmarking systems try to mimick bookmarking behaviour of real users to gain the attention of other users or search engines. Several methods have been proposed...
114
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CORR
2007
Springer
15 years 1 months ago
2007
Springer
A barycentric mapping of a planar graph is a plane embedding in which every internal vertex is the average of its neighbours. A celebrated result of Tutte’s [16] is that if a pl...
107
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IPPS
2010
IEEE
14 years 11 months ago
2010
IEEE
We investigate the problem of maintaining a topology with small degree as well as small diameter in a dynamic distributed system such that the system always stays connected and pr...
124
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APPROX
2009
Springer
15 years 8 months ago
2009
Springer
The (undirected) Node Connectivity Augmentation (NCA) problem is: given a graph J = (V, EJ ) and connectivity requirements {r(u, v) : u, v ∈ V }, find a minimum size set I of n...
109
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GLOBECOM
2008
IEEE
15 years 7 months ago
2008
IEEE
—In this paper, we address the problem of establishing full connectivity and satisfying required traffic capacity between disconnected clusters in large wireless ad-hoc ground n...