5606 search results - page 449 / 1122 » Randomization Techniques for Graphs. |
206
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STOC
2006
ACM
16 years 1 months ago
2006
ACM
We show that for any constant ε > 0, there is no Ω(log1−ε M)approximation algorithm for the directed congestion minimization problem on networks of size M unless NP ⊆ Z...
164
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ICMCS
2005
IEEE
16 years 1 months ago
2005
IEEE
In this paper, we propose a butterfly-graph based stream authentication scheme for lossy networks where the streaming packets could be lost in both random and burst ways. Due to t...
182
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AIRWEB
2005
Springer
16 years 1 months ago
2005
Springer
We study the impact of collusion –nepotistic linking– in a Web graph in terms of Pagerank. We prove a bound on the Pagerank increase that depends both on the reset probability...
179
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CSCLP
2005
Springer
16 years 1 months ago
2005
Springer
This paper presents an attempt to construct a ”practical” CSP algorithm that assigns a variable with 2 values at every step. Such a strategy has been successfully used for cons...
246
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ACST
2006
15 years 9 months ago
2006
Consider the problem of membership query for a given partially ordered set. We devise a greedy algorithm which can produce near-optimal search strategies. Rigorous analysis has be...