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POPL
2009
ACM
14 years 9 months ago
Verifying distributed systems: the operational approach
This work develops an integrated approach to the verification of behaviourally rich programs, founded directly on operational semantics. The power of the approach is demonstrated ...
Tom Ridge
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...
SPAA
2009
ACM
14 years 9 months ago
The weakest failure detector for wait-free dining under eventual weak exclusion
Dining philosophers is a classic scheduling problem for local mutual exclusion on arbitrary conflict graphs. We establish necessary conditions to solve wait-free dining under even...
Srikanth Sastry, Scott M. Pike, Jennifer L. Welch
KDD
2008
ACM
164views Data Mining» more  KDD 2008»
14 years 9 months ago
Microscopic evolution of social networks
We present a detailed study of network evolution by analyzing four large online social networks with full temporal information about node and edge arrivals. For the first time at ...
Jure Leskovec, Lars Backstrom, Ravi Kumar, Andrew ...
STOC
2007
ACM
111views Algorithms» more  STOC 2007»
14 years 9 months ago
Low-end uniform hardness vs. randomness tradeoffs for AM
In 1998, Impagliazzo and Wigderson [IW98] proved a hardness vs. randomness tradeoff for BPP in the uniform setting, which was subsequently extended to give optimal tradeoffs for t...
Ronen Shaltiel, Christopher Umans