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» On Computation and Communication with Small Bias
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PPOPP
2009
ACM
14 years 9 months ago
MPIWiz: subgroup reproducible replay of mpi applications
Message Passing Interface (MPI) is a widely used standard for managing coarse-grained concurrency on distributed computers. Debugging parallel MPI applications, however, has alway...
Ruini Xue, Xuezheng Liu, Ming Wu, Zhenyu Guo, Weng...
FC
2007
Springer
125views Cryptology» more  FC 2007»
14 years 3 months ago
Scalable Authenticated Tree Based Group Key Exchange for Ad-Hoc Groups
Task-specific groups are often formed in an ad-hoc manner within big structures, like companies. Take the following typical scenario: A high rank manager decides that a task force...
Yvo Desmedt, Tanja Lange, Mike Burmester
SIGCOMM
2006
ACM
14 years 2 months ago
Understanding the network-level behavior of spammers
This paper studies the network-level behavior of spammers, including: IP address ranges that send the most spam, common spamming modes (e.g., BGP route hijacking, bots), how persi...
Anirudh Ramachandran, Nick Feamster
ICASSP
2008
IEEE
14 years 3 months ago
Outage capacity of a cooperative scheme with binary input and a simple relay
Cooperative communications is a rapidly evolving research area. Most of the cooperative protocols that have appeared in the literature assume slow flat fading channels and Gaussi...
George N. Karystinos, Athanasios P. Liavas
MOBIHOC
2003
ACM
14 years 8 months ago
Connected sensor cover: self-organization of sensor networks for efficient query execution
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
Himanshu Gupta, Samir R. Das, Quinyi Gu