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» Partitions and the Fermi-Dirac Distribution
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PIMRC
2010
IEEE
15 years 4 months ago
Multi-dimensional K-factor analysis for V2V radio channels in open sub-urban street crossings
In this paper we analyze the Ricean K-factor for vehicle-to-vehicle (V2V) communications in a typical open suburban street crossing. The channel conditions vary from non line-of si...
Laura Bernadó, Thomas Zemen, Johan Karedal,...
CLUSTER
2011
IEEE
14 years 6 months ago
Dynamic Load Balance for Optimized Message Logging in Fault Tolerant HPC Applications
—Computing systems will grow significantly larger in the near future to satisfy the needs of computational scientists in areas like climate modeling, biophysics and cosmology. S...
Esteban Meneses, Laxmikant V. Kalé, Greg Br...
ICDCS
2011
IEEE
14 years 6 months ago
Economical and Robust Provisioning of N-Tier Cloud Workloads: A Multi-level Control Approach
—Resource provisioning for N-tier web applications in Clouds is non-trivial due to at least two reasons. First, there is an inherent optimization conflict between cost of resour...
PengCheng Xiong, Zhikui Wang, Simon Malkowski, Qin...
KDD
2012
ACM
200views Data Mining» more  KDD 2012»
13 years 8 months ago
Vertex neighborhoods, low conductance cuts, and good seeds for local community methods
The communities of a social network are sets of vertices with more connections inside the set than outside. We theoretically demonstrate that two commonly observed properties of s...
David F. Gleich, C. Seshadhri
SODA
2012
ACM
297views Algorithms» more  SODA 2012»
13 years 8 months ago
Constant factor approximation algorithm for the knapsack median problem
We give a constant factor approximation algorithm for the following generalization of the k-median problem. We are given a set of clients and facilities in a metric space. Each fa...
Amit Kumar