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DSN
2008
IEEE
14 years 4 months ago
Probabilistic quorum systems in wireless ad hoc networks
Quorums are a basic construct in solving many fundamental distributed computing problems. One of the known ways of making quorums scalable and efficient is by weakening their int...
Roy Friedman, Gabriel Kliot, Chen Avin
ICDCS
2007
IEEE
14 years 4 months ago
STEP: Sequentiality and Thrashing Detection Based Prefetching to Improve Performance of Networked Storage Servers
State-of-the-art networked storage servers are equipped with increasingly powerful computing capability and large DRAM memory as storage caches. However, their contribution to the...
Shuang Liang, Song Jiang, Xiaodong Zhang
QEST
2007
IEEE
14 years 4 months ago
Qualitative Logics and Equivalences for Probabilistic Systems
We investigate logics and equivalence relations that capture the qualitative behavior of Markov Decision Processes (MDPs). We present Qualitative Randomized Ctl (Qrctl): formulas o...
Luca de Alfaro, Krishnendu Chatterjee, Marco Faell...
FOCS
2006
IEEE
14 years 4 months ago
Hardness of Learning Halfspaces with Noise
Learning an unknown halfspace (also called a perceptron) from labeled examples is one of the classic problems in machine learning. In the noise-free case, when a halfspace consist...
Venkatesan Guruswami, Prasad Raghavendra
FOCS
2006
IEEE
14 years 4 months ago
Local Graph Partitioning using PageRank Vectors
A local graph partitioning algorithm finds a cut near a specified starting vertex, with a running time that depends largely on the size of the small side of the cut, rather than...
Reid Andersen, Fan R. K. Chung, Kevin J. Lang
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