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» Analysis of Agglomerative Clustering
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WWW
2010
ACM
14 years 5 months ago
Sampling community structure
We propose a novel method, based on concepts from expander graphs, to sample communities in networks. We show that our sampling method, unlike previous techniques, produces subgra...
Arun S. Maiya, Tanya Y. Berger-Wolf
ISPASS
2010
IEEE
14 years 5 months ago
The Hadoop distributed filesystem: Balancing portability and performance
—Hadoop is a popular open-source implementation of MapReduce for the analysis of large datasets. To manage storage resources across the cluster, Hadoop uses a distributed user-le...
Jeffrey Shafer, Scott Rixner, Alan L. Cox
AINA
2009
IEEE
14 years 5 months ago
Similarity Search over DNS Query Streams for Email Worm Detection
Email worms continue to be a persistent problem, indicating that current approaches against this class of selfpropagating malicious code yield rather meagre results. Additionally,...
Nikolaos Chatzis, Nevil Brownlee
CCGRID
2009
IEEE
14 years 5 months ago
Performance under Failures of DAG-based Parallel Computing
— As the scale and complexity of parallel systems continue to grow, failures become more and more an inevitable fact for solving large-scale applications. In this research, we pr...
Hui Jin, Xian-He Sun, Ziming Zheng, Zhiling Lan, B...
CSE
2009
IEEE
14 years 5 months ago
A Network-Aware Distributed Membership Protocol for Collaborative Defense
— To counteract current trends in network malware, distributed solutions have been developed that harness the power of collaborative end-host sensors. While these systems greatly...
David Zage, Carl Livadas, Eve M. Schooler