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APPROX
2000
Springer
190views Algorithms» more  APPROX 2000»
15 years 11 months ago
Approximating node connectivity problems via set covers
Given a graph (directed or undirected) with costs on the edges, and an integer k, we consider the problem of nding a k-node connected spanning subgraph of minimum cost. For the ge...
Guy Kortsarz, Zeev Nutov
SIGCSE
2000
ACM
120views Education» more  SIGCSE 2000»
15 years 11 months ago
PILOT: an interactive tool for learning and grading
We describe a Web-based interactive system, called PILOT, for testing computer science concepts. The strengths of PILOT are its universal access and platform independence, its use...
Stina S. Bridgeman, Michael T. Goodrich, Stephen G...
NPL
2008
68views more  NPL 2008»
15 years 6 months ago
On Nonparametric Residual Variance Estimation
In this paper, the problem of residual variance estimation is examined. The problem is analyzed in a general setting which covers non-additive heteroscedastic noise under non-iid s...
Elia Liitiäinen, Francesco Corona, Amaury Len...
ICALP
2004
Springer
15 years 12 months ago
Simple Permutations Mix Well
We study the random composition of a small family of O(n3 ) simple permutations on {0, 1}n . Specifically we ask what is the number of compositions needed to achieve a permutatio...
Shlomo Hoory, Avner Magen, Steven Myers, Charles R...
SIGCOMM
2006
ACM
16 years 15 days ago
Systematic topology analysis and generation using degree correlations
Researchers have proposed a variety of metrics to measure important graph properties, for instance, in social, biological, and computer networks. Values for a particular graph met...
Priya Mahadevan, Dmitri V. Krioukov, Kevin R. Fall...